1 TAC2000/ LABORATORY 117 Windows-based SIP UA  Microsoft Windows Messenger  X-Lite  NBEN UA

2 TAC2000/ LABORATORY 117 SIP UA – Windows Messenger  By default, Windows XP installs Windows Messenger Version 4.7  There are two messengers from Microsoft MSN Messenger 6.2 MSN Messenger 6.2 Windows Messenger 4.7, 5.0 Windows Messenger 4.7, 5.0  Inside Windows Messenger - How it Communicates nol/winxppro/evaluate/insid01.mspx nol/winxppro/evaluate/insid01.mspx

3 TAC2000/ LABORATORY 117 Step 1: Configure

4 TAC2000/ LABORATORY 117 Step 2: REGISTER

5 TAC2000/ LABORATORY 117 Step 3: Make A Call

6 TAC2000/ LABORATORY 117 Step 4: Ringing

7 TAC2000/ LABORATORY 117 Step 5: Conversation

8 TAC2000/ LABORATORY 117 Step 6: Answer A Call

9 TAC2000/ LABORATORY 117 SIP UA: X-Lite  X-Lite - The Best Free Softphone  A FREE premium SIP softphone with many PBX-like features.  Open standards-based design (SIP) allows for maximum network interoperation and integration.  Download from

10 TAC2000/ LABORATORY 117 Features  Touch-tones [DTMF]  3 Lines, Multiple Proxies  Line Hold  Inbound Call 'Ignore'  Inbound Call 'Go to Voic '  Dial/ Redial/Hangup  Caller ID [SIP ID]  Call Timer  Mute  Microphone & Speakers Levels  Microphone & Speakers Meters  Recent Calls Dialed  Recent Calls Received  Speed Dial  G.711u+a/iLBC/GSM codecs  NAT/Firewall support  Specify NAT IP to be written in SIP messages  Supports Windows 98SE/NT4/ME/2000/XP

11 TAC2000/ LABORATORY 117 Step 1: Configuration

12 TAC2000/ LABORATORY 117 Step 2: Make/Receive Calls  Automatically send a REGISTER request to registrar when the program starts up.  Dial digits, and domain realm will be appended automatically.

13 TAC2000/ LABORATORY 117 SIP UA - NBEN UA  NBEN UA is a SIP User Agent which provides easy interface for IP telephony.  This software was developed as a tool for VoIP classes in Taiwan.  You can type the digits and make phone calls directly, without typing the complete SIP URI ( )  It supports features like Hold/Retrieve, Redial, Speed Dial, Transfer.

14 TAC2000/ LABORATORY 117 Features  NBEN UA runs on Windows 2000/XP/2003.  Both signaling and media data are transported on UDP. SIP: port 5060 SIP: port 5060 RTP: port 9000 RTP: port 9000  Supported audio codec: G.711 (64Kbps) G.711 (64Kbps) G.729 (8Kbps) G.729 (8Kbps) G (6.3Kbps) G (6.3Kbps)

15 TAC2000/ LABORATORY 117 Download NBEN SIP UA  Download link & Installation guide can be found at  Phone numbers are assigned in a separate configuration file.  Try to call each other and see the signaling of SIP.  Each SIP UA is required to possess a public IP address. A patch is available to traverse NAT by utilizing STUN. A patch is available to traverse NAT by utilizing STUN.