What is Session target in dial-peer?
Dynamic Domain Name Service (DNS)—If you are using DNS as the “session target” on dial peers, the actual IP address destination of call connections can vary from one call to the next.
How do I check my dial-peer status?
You can test your dial-peer with the command show dialplan number xxxphone numberxxx. If the call is active you can check used dial-peer with the command show voice call status. Regard.
What are the matching criteria for incoming dial peers and outgoing dial peers in their order of preference?
Matching Inbound and Outbound Dial Peers
- Match the dialed number (DNIS) using the incoming called-number dial-peer.
- Match the caller ID information (ANI) using the answer-address dial-peer configuration command.
- Match the caller ID information (ANI) using the destination-pattern dial-peer configuration command.
What is incoming dial-peer?
–> Outbound dial peers are used for outgoing VoIP calls whereas Inbound dial peers are used for Incoming VoIP calls on Voice Gateway. –> The configuration of outbound dial peers is very easy as we use the destination-pattern command to match the dial peer.
What is a SIP dial peer?
SIP is selected as the call control protocol from inside a dial peer. SIP is requested by the session protocol sipv2 dial-peer subcommand. In this example, both dial peers include the session protocol sipv2 subcommand, and SIP is used when the destination pattern matches either dial peer.
What is destination pattern 9T?
The router pauses to collect additional dialed digits. For example destination-pattern 9T matches the digit 9 followed by zero or more digits- it will route the call only after the expiry of the inter-digit timeout.
What is incoming called number?
Use incoming called-number to configure a called number string for a voice entity to match incoming calls. Use undo incoming called-number to restore the default.
Why is dial peer used?
Dial peers are used to configure dial plans and to identify call source and destination endpoints. They also define each call leg in the call connection. Dial peers are a critical component of VoIP.
What is MGCP fallback?
MGCP fallback enables a gateway to act as local call control when the CUCM server to which the remote site phones and gateway register is offline or WAN connectivity is lost (in which case, Cisco Unified SRST kicks in and offers call control functionality).
What is a dial pattern?
A dial pattern comprises Pattern, Strip, and Prepend. Pattern. Required. Defines which dialed numbers will be matched. The Pattern field allows a full number or special characters that will match specific numbers.
What is Survivable Remote Site Telephony?
Survivable Remote Site Telephony (SRST) is a Cisco Unified Communications Manager (CUCM) call processing backup mechanism that allows Cisco IP phones to register to a Cisco router.
What is MGCP used for?
The Media Gateway Control Protocol (MGCP) is a signaling and call control communications protocol used in voice over IP (VoIP) telecommunication systems. It implements the media gateway control protocol architecture for controlling media gateways connected to the public switched telephone network (PSTN).
What is VoIP dial plan?
A VoIP dial plan is the path an inbound call will take through your phone system. A dial plan is usually mapped out online using a dial plan editor on your VoIP service provider’s portal. Dial plans go by many names: call tree, call path, call flow, and call route to name a few.
What is Srst used for?
SRST is a licensed feature available on Cisco voice routers that allows Cisco IP phones to register with the gateway if these keepalive messages are lost. Cisco IP phones exchange the keepalive messages every 30 seconds by default.
How do I turn off Srst?
If you want a Cisco IP Phone to come out of SRST fallback mode faster, you can manually reboot the Cisco IP Phone by pressing Settings and then **#**, or by going into the router mode CallManager-Fallback and entering Reset All.