Friday, October 02, 2015

VG224 VG310 VG320 SCCP configuration

I've been asked a couple time lately about SCCP on analog gateways.

On the CUCM side:

First, add the gateway in CUCM and pick the SCCP protocol.  Then, much like the host name is critical in MGCP setups, you'll need to identify it with the last 10 digits of the gateways interface MAC address.  Then, still in CUCM, add however many sub-units are in your gateways so you have ports to configure.

On the gateway side:

After you get basic network connectivity and access, the basic critical SCCP related commands are:
stcapp ccm-group 1
! loopbacks are generally preferred here, but the physical interfaces will work
sccp local GigabitEthernet0/0
! 7.0+ is basically standard now but check your version here against your CUCM
sccp ccm <ip address of a CUCM,  subscriber if you have one> identifier 10 priority 1 version 7.0+
sccp ccm <ip address of another CUCM subscriber, if you have another in a CUCM group> identifier 20 priority 2 version 7.0+
sccp ccm group 1
 ! again, loopbacks are generally preferred here
 ! keep it consistent
 bind interface GigabitEthernet0/0
 associate ccm 10 priority 1
 associate ccm 20 priority 2
dial-peer group 1 pots
 service stcapp
 port all
! check if it's working
show sccp
show stcapp device summary

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