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Voice over Internet Protocol at Space Telescope Science Institute.

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Presentation on theme: "Voice over Internet Protocol at Space Telescope Science Institute."— Presentation transcript:

1 Voice over Internet Protocol at Space Telescope Science Institute

2 What is VoIP? What will be VoIP services will be offered at STScI? – Basic VoIP Features (see user and administrative features and benefits) – Voicemail – Soft Phone (Cisco Jabber for Macs and Windows laptops) and Mobility ( iPhones, iPads, Androids and BlackBerrys) Scalability of STScI VoIP infrastructure

3 What is Voice over Internet Protocol (VoIP) Analog Digital Signal Cisco Call Manager Digital Signal Analog

4 Cisco VoIP features

5 Summary of user features for Cisco VoIP Call connection Impromptu audio conference (up to 6 internal participants) Caller ID (at this time only for Internal calls) Hands free, full duplex Speaker phone Headset (uses RJ11 type connector) Message Waiting Indicator (MWI) Hold Transfer

6 Summary of user features for Cisco VoIP Dialed number display Intercom Use of reground and recyclable products in manufacturing handsets (Cisco phone only) Supported encryption for voice traffic, TLS/SRTP Call forwarding to either another local number or external number Self service website to allow user to configure their desktop phone remotely.

7 Summary of user features for Cisco VoIP Call Park and pickup Direct Inward dialing and Direct Outward dialing Directory dial from phone: Corporate directory (AD) and personal directory (contacts address book) Mute capability On-hook dialing Multiple speed dials Pre-record messages

8 Summary of features managing your Voice communications remotely Desktop voice communication can be managed using a WEB browser. Customize Do Not Disturb options Set call forwarding per line Change the Voice Message Indicator setting per line Change the Audible Voice Message Indicator setting per line Change ring setting per line Set speed dial buttons on your desktop phone Change your PIN Add a New Remote destination

9 Summary of user features for Cisco voicemail You can select conversation type; full or brief prompts are supported. You can change prompt and message playback speed. You can address and then record a message, or record and then address a message. You can record up to five personal greetings (alternate, busy, internal, off-hours, or standard). You can specify the order in which messages are presented over the phone, by message type (voice, fax, or email), urgency, or LIFO/FIFO. You can set an expiration date for any personal greeting. You can manage an alternate greeting, require callers to listen to the full greeting, or notify users when a greeting is on. With a cascade message-notification feature, you can send additional notification types if a message is not retrieved. You can select whether or not message counts are announced; options include type, totals, saved, and new counts. You can specify Call Forward to a personal greeting or busy greeting. You can provide message notification for new messages through devices such as Simple Mail Transfer Protocol (SMTP) text, pagers, and phone destinations. You can use your desktop telephone to manage, listen or record messages

10 Summary of features using Ciscos Jabber application Use a single, intuitive interface for instant messaging with individuals and groups, IP telephony, visual voicemail, voice and web conferencing, desktop sharing1, communication history, and integrated directories. Presence (if you are online or Do Not Disturb) View real-time availability of co-workers and colleagues within and outside the enterprise network. Exchange and display presence availability information and instant messages with other Cisco Jabber users, Cisco Unified Personal Communicator, Cisco WebEx Connect®, Microsoft Office Communicator and Lync, IBM Lotus Sametime, AOL, GoogleTalk, and many other XMPP-compatible clients. Exchange presence information with mobile handsets using Cisco Jabber or third-party XMPP-compatible clients. Display customized availability messages. Your status is updated automatically when you are in a Cisco WebEx meeting or sharing an application.

11 What does the user interface for Cisco Jabber look like

12 Call manager server pair will support up to 10,000 subscribers. Unity server (voicemail) can support up to 15000 users and a maximum of 250,000 users per clusters. Maximum number of subscribers for Cisco Call Manager cluster can support up to 30,000 users. Cisco IP Telephony solution can support multiple Call Manager clusters. Adding services is accomplished by adding more application servers for example if we wanted to provision Cisco Mobile Communicator as a service. We would add the application server to our voice network. Below is the features of Cisco mobility. Cisco has delivered Unified Communications in modular architecture, as services are needed the can be added to the overall Unified Communication architecture. In the future we may use external Session Initiation Protocol (SIP) trunks instead of connecting to the public telephone network. This will help reduce our cost for external call and long distance calls. Scalability of STScI VoIP Infrastructure

13 Impact to the network with the deployment of VoIP

14 Public Telephone Network Cisco Unified IP Presence server (used for Cisco Jabber) Cisco Unity server (voicemail) Cisco Call Manager STScI VPN server Internet Cisco Voice Gateway STScI internal router Microsoft Exchange server Internet

15 STScI VoIP Deployment model Single site deployment

16 More information about Ciscos IP Telephony can be found at – More information about the International Telecommunications Union (ITU) and voice standards can be found at –

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