Cisco UC 520 Manuale di configurazione - Pagina 15
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Cisco Unified Communications 500 Series
A.4.
SIP Trunk Configuration
The Cisco Unified Communications 500 Series IP-PBX can be configured for
different types LAN/WAN topologies and different methods of communicating
with the SIP server. Testing was focused on the following:
1. Direct Internet connection on public IP (UC500 Router Internet)
a. Using SRV record resolution for SIP Server address
b. Using A record resolution for SIP Server address
2. SIP Proxy connection using NAT (UC500 Edgemarc 4552 as SIP Proxy
Router Internet)
Configuration and behavior varies between the different methods/topologies
and is outlined when necessary in this guide.
A.4.1
Configure SIP Trunk
1. Navigate to Configure Telephony Ports and Trunks SIP
Trunk
2. Select the "Generic SIP Trunk Provider" template from the "Service
Provider" dropdown menu which configures the following default
settings:
a. Voice Codec: G.711-ulaw only. Secondary codecs are not
included in this template and must be configured using the CLI.
b. Fax Codec: G.711
c. DTMF (dual-tone multi-frequency) payload: 101
d. SIP Registration: Registers main number only. Additional DID
registration is not included in this template and must be
configured using the CLI.
e. SIP Registration Expiry Timer: Set at 3600 seconds. The
Edgemarc 4552 SIP Proxy and MegaPath SBCs reply with a
reset expiry timer of 60 seconds in the 200 OK response to a
successful registration so the UC500 will re-register every 60
seconds regardless of the configured timer value.
3. Configure as outlined below based on the solution in use at the
customer site.
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