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1 Slide title minimum 48 pt Slide subtitle minimum 30 pt CS FALLBACK TUTORIAL

2 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 2 Contents ›Introduction ›Concept ›Considerations ›Architecture & features ›Standard references

3 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 3 introduction ›How to offer voice services with LTE before IMS/MMTel ? –How to leverage on LTE smart phones (high data rates & hype etc.) –How to handle international roamers –How to reuse existing CS infrastructure ›CS Fallback is the answer to the above questions ! –Roaming with preference on LTE for data services –Falling back to overlapping GSM or WCDMA for voice services ›Standardized from 3GPP Rel 8, offered from 2011 –3GPP TS , Circuit Switched Fallback in Evolved Packet System –CSFB features offered in LTE, MSS and EPC

4 Slide title minimum 48 pt Slide subtitle minimum 30 pt concept

5 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 5 The CS FallBack Concept ›CSFB subscribers roam with preference on LTE access, no CS-voice service available (only PS based services) ›Fallback triggered to overlapping CS domain (GSM / WCDMA) whenever voice services are requested ›Resumed LTE access for PS services after call completion LTE GSM / WCDMA LTE island PS CS (+PS) PS

6 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 6 CS Fallback options 1.RRC Connection Release with Redirect –eNodeB orders UE to move to a pre-configured GSM or WCDMA frequency, UE may select other frequency/RAT depending on signal quality –Optional enhancements: ›WCDMA: Deferred Measurement Control (DMCR) ›Instruction from target cell (in SIB3) to not read other time consuming SIB’s (related to measurement control) ›GSM: RAN Information Management (RIM) ›eNodeB requests System Information from target network via packet core and provide it to UE during CSFB. No need to read time consuming SIB’s in target network 2.PS Handover –eNodeB orders UE to move to a GSM or WCDMA cell by using PSHO procedures. eNodeB may decide target cell based on measurements during the HO preparation phase. Target cell SI provided to UE during the HO procedure

7 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 7 CS Fallback with RRC Connection Release with Redirect MSC-S GSM / WCDMA MSC-SMME eNodeB SGs S1 (A / Iu) NodeB RBS e-Uu Um / Uu LTE 3. Page over SGs, S1, e-Uu 1. CSFB subscriber roam in LTE. CS signaling over Uu-S1- SGs (LU, page etc.) 2. Incoming call to subscriber in LTE 6. UE fall back to GSM or WCDMA. System info read in target cell. 7. Page response and call setup over GSM or WCDMA 5. eNodeB orders UE to move to a GSM or WCDMA frequency with the RRC Connection Release with Redirect message. 4. UE may optionally measure signal on available cells (otherwise blind cell change)

8 Slide title minimum 48 pt Slide subtitle minimum 30 pt considerations

9 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 9 Considerations ›Call setup time ›Simultaneous PS data sessions ›MSC border areas ›Feature introduction

10 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 10 call setup time Classic CS call setup in GSMCS Fallback call setup Cell change Read SI Page Extended service request Release Page response Page Page response MSCUEGSM MSCUEMME GSM Page LTE Release Call setup RAN information mgmnt (RIM) - 1.2s improvement for 3G - 2.0s improvement for 2G Deferred measurement control (DMCR) - 0.7s improvement for 3G ›CS Fallback prolongs call setup time due to extra interfaces and procedures –Key contributor: Reading of system information (SI) in the new cell Apprx. 1.5s addition in 3G Apprx. 2.5s addition in 2G

11 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 11 RAN Information Management (RIM) GSM / WCDMA MME eNodeB S3 S1 Gb IuPS RBS NodeB LTE BSC RNC A-bis Iub SGSN 5. BSC/RNC provides SI based on regular intervals (requests) or when ever the configuration is changed. 7. UE do not need to read SI in GSM / WCDMA => Faster call setup ! 6. eNodeB provides SI to UE at CSFB. 1. eNodeB registers information (id and signaling strength/quality) about neighboring cells from measurement reports from the UE’s. 2. eNodeB requests System Information (SI) for the overlapping GSM cells via the packet core network. 3. SI request/response relayed by the MME 4. SI request/response relayed by the SGSN

12 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 12 Deferred Measurement Control WCDMA MME eNodeB SGs S1 Iu RBS LTE RNC Iub MSC-S 1. UE fall back to WCDMA 2. UE reads SIB3 = DMCR on/off 3a. DMCR on = UE awaits with reading SIB 11, 11bis and SIB 12 => Faster call setup! SIB 11, 11bis and 12 are read later during the call 3b. DMCR off = UE reads SIB 11, 11bis and 12 at their regular broadcast intervals (every 1.4 s). Call setup continues after SIB’s are read.

13 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 13 CSFB call LTE Simultaneous PS data sessions ›Interrupted PS data sessions –Typically 5-10 seconds w/o PSHO –Typically 200 ms with PSHO ›GSM without DTM –PS interruption lasts for the reminder of the call ›Reduced PS data rate –PS service performance may be degraded in WCDMA/GSM ›Delay for returning back to LTE –“Fast Return” in BSS speeds up the return to LTE Time (s) Data rate (kbps) WCDMA GSM (DTM) 1) Suspend 2) Resume ~5-10s w/o PSHO Features: PS Handover (LTE - WCDMA) Dual Transfer Mode (GSM) Fast Return (GSM) 3) Resume 3) Suspend 4) Resume

14 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 14 Call setup times and PS data interruption per option MO: mobile o fixed MT: fixed to mobile Total call setup time including CSFB (s) CSFB part of the total call setup time (s) PS Outage (s) RRC Connection Release with Redirect to UTRAN, SysInfo read in UTRAN MO 3.8 MT 4.2 MO 1.5 MT RRC Connection Release with Redirect to UTRAN, Deferred measurement control UTRAN support MO 3.1 MT 3.5 MO 0.8 MT RRC Connection Release with Redirect to UTRAN, with UTRAN Sys Info available in LTE (with RIM) MO 2.6 MT 3.0 MO 0.3 MT PS HO to UTRAN, non-blind/blind MO 2.8 / 1.9 MT 3.2 / 2.3 MO 0.5 / -0.4 MT 0.5 / -0.4 <0.2 Release with Redirect to GERAN, no DTM MO 5.2 MT 5.6 MO 2.7 MT 2.4 No DTM Release with Redirect to GERAN, GERAN SysInfo available in LTE (with RIM) MO 3.2 MT 3.6 MO 0.7 MT 0.4 No DTM PSHO to GERAN, with DTM non-blind/blind MO 4.4 / 3.1 MT 4.8 / 3.5 MO 1.9 / 0.6 MT 1.6 / 0.3 <0.2*

15 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 15 MSC border areas ›CS Fallback calls in MSC border areas may end up in the wrong MSC, leading to failed calls TA = 2 TA = 1 TA = 3 MSCMME LA = 2LA = 1 Page CS Fallback MSC LA = 3 MSC Area 1MSC Area 2 Page resp. MME UE Page CSFB reg. MSC ›Two solutions: –MSC Pool assures page response to correct MSC (by TMSI-NRI) ›Strongly recommended in CSFB implementations –MT Roaming Forward reroutes the call and subscriber to the new MSC ›Solving the problem but with additional call setup delay, note ~5s addition

16 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 16 MT Roaming Forward in CSFB MSC-S GSM / WCDMA MSC 1MME eNodeB SGs S1 (A / Iu) NodeB RBS e-Uu Um / Uu LTE 2. Page over SGs, S1, e-Uu 1. Incoming call to subscriber in LTE GSM / WCDMA MSC 2 (A / Iu) NodeB RBS Um / Uu Cell 2 Cell 1 4. Page response received in MSC 2, subscriber not registered triggers MTRF E TA-LA mapping 3. UE fall back to GSM or WCDMA. Cell 2 (MSC 2) is selected due to better signal than in cell 1 (MSC 1) 6. MSC 2 sends UL to HLR which (optionally) can authorize use of MTRF. 7. MSC 1 sends PRN req. to MSC 2 which provides MSRN. MSC 1 reroutes the call to MSC 2 (IAM) 8. MSC 2 awaits the LU procedure to be completed and then set up the call e2e 5. MSC 2 requests identification (for auth.) from MSC 1, also indicating support of MTRF

17 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 17 Feature introduction ›CSFB requires SW upgrade and SGs-interface in the MSC –With MSC Pool only one or a few MSC’s can serve all LA’s ›More CSFB-MSC’s can be upgraded as traffic demand grows –CSFB can be provided to a pool of MSC-S Blade Cluster nodes prior to 12B GSM / WCDMA: LTE: MMEMSC Non-CSFB capable MSC SGs CSFB capable MSC UE doing combined EPS/CS registration UE CSFB enabled to overlapping CS with MSC Pool

18 Slide title minimum 48 pt Slide subtitle minimum 30 pt Architecture & features

19 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 19 Architecture and FEATURES UEE-UTRAN SGSN MME MSC-S GERAN UTRAN S3 SGs S1 LTE-Uu Um Uu IuPS IuCS Gb Gs A 1. CS Fallback (M) 2. DMCR (O) 3. Dual Transfer Mode (O) 1. CS Fallback to GSM and WCDMA (M) 2. RIM (O) 1. CS Fallback (M) 2. SMS over SGs (M) 3. RIM (O) 4. MSC Pool support (O) 1. LTE to CS Fallback (M) 2. SMS over SGs (M) 3. MSC Pool (O) 4. MT Roaming Forward (O) 5. Dual Transfer Mode in GSM (O) 1. RIM (O) 2. PS Handover (O) 1. RIM (O) 2. DMCR (O) 3. Iu-flex/MSC Pool support (O) 4. PS Handover (O) 1. RIM (O) 2. Fast return to LTE (O) 3. A-flex/MSC Pool support (O) 4. PS Handover (O) 5. Dual Transfer Mode (O)

20 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 20 PS data continuity Call success rate in border areas SMS Voice Call setup time enhancements E2e-Feature view WCDMAGSMMSCSGSN-MMELTEUE SMS over SGs CS Fallback RIM MSC PoolIu-FlexA-Flex DTM MTRF PSHO DTM DMCR Fast Return RIM (MME only) (MME & SGSN) (SGSN only) (MME & SGSN)

21 Slide title minimum 48 pt Slide subtitle minimum 30 pt Standard references

22 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 22 Standard References ›3GPP TS , Circuit Switched Fallback in Evolved Packet System3GPP TS , Circuit Switched Fallback in Evolved Packet System ›3GPP TS , GPRS; BSS - SGSN; BSS GPRS protocol (BSSGP)3GPP TS , GPRS; BSS - SGSN; BSS GPRS protocol (BSSGP) –Chapter 8c, Signaling procedures between RIM SAP’s ›3GPP TS , Radio Resource Control3GPP TS , Radio Resource Control –Chapter Deferred Measurements ›3GPP TS , GPRS enhancements for E-UTRAN access3GPP TS , GPRS enhancements for E-UTRAN access –Chapter E-UTRAN to UTRAN Iu mode Inter RAT handover ›3GPP TS (v ), Basic Call Handling3GPP TS (v ), Basic Call Handling –Chapter 5.2.3, MT Roaming Forwarding

23 Slide title minimum 32 pt (32 pt makes 2 rows Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt !"#$%&'()*+,-./ :; UVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy z{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍ ÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñ òóôõö÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚ ěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗ ŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘ ˙˚˛˜˝ẀẁẃẄẅỲỳ–—‘’‚“”„†‡…‰‹›⁄€™−≤≥fifl ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞĠĠĢĢĪĪĮĮİĶĶĹ ĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤŤŪŪŮŮŰŰ ŲŲŴŴŶŶŹŹŻŻȘș ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊ ΰαβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУ ФХЦЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐ Ґә ǽ ẀẁẂẃẄẅỲỳ№ Do not add objects or text in the footer area Commercial in confidence | | Page 23


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