To add, edit, or delete SIP trunk connections, sign in to the Cisco Business Edition 3000 Administrative
Interface (Connections > PSTN Connections).
Additionally, you must bind a SIP trunk/SBE with a site using the service provider IP address specified on
the SIP trunk connection and provision the subnet on the site (Connections > Sites > General tab).
Figure 3: Provisioning scope for SIP trunk with Cisco Business Edition 3000
SIP Trunk is another PSTN connection type along with T1/E1 PRI, T1 CAS, and FXO connections.Note
Based on the requirement of PSTN connections for Cisco Business Edition 3000, provisioning is performed
for routing of PSTN calls using the gateway on Connections > Sites > Add Site > PSTN Access.
Limitations of SIP Trunking
Cisco Business Edition 3000 does not support the following features on SIP trunk to service providers:
• Digest authentication
• QSIG
• TLS
• IME
• MLPP
• IPV6
• MTP
Administration Guide for Cisco Business Edition 3000, Release 8.6(4)
OL-27022-01 27
Components of the Cisco Business Edition 3000 System
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