Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
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In order to operate as SIP endpoints in your network successfully, IP phones must meet
the following requirements:
A working IP network is established.
Routers are configured for VoIP.
VoIP gateways are configured for SIP.
The latest (or compatible) firmware of IP phones is available.
A call server is active and configured to receive and send SIP messages.
This section lists the available physical features of IP phones.
SIP-T28P
Physical Features:
- TI TITAN chipset and TI voice engine
- 320x160 graphic LCD with 4-level grayscales
- 6 VoIP accounts, BroadSoft/Avaya/Asterisk validated
- HD Voice: HD Codec, HD Handset, HD Speaker
- 48 keys including 16 DSS keys
- 1xRJ9 (4P4C) handset port
- 1xRJ9 (4P4C) headset port
- 2xRJ45 10/100Mbps Ethernet ports
- 1XRJ12 (6P6C) expansion module port
- 19 LEDs: 1xpower, 6xline, 1xmessage, 1xheadset, 10xmemory