CUCM with two Gateway

[kingstdz]

Hello

i have cucm 12 and gateway1 with interface 20line , E1 and another gateway2 with interface 20lines but not connected on E1, i will connect it to lan .

the two gateway are inserted in Cucm, i will have lines FXO in the segond gateway2.

wich config i must do on gateway2 and cucm to config line fxo on phone registred with CUCM.

thanks

[b.winter]

How would you integrate it?

Why you think, it's relevant for the second gateway, if you have already configured gateways in CUCM or not?

Just configure SIP between the GW and CUCM. I won't matter which connection type is used on the "other" side (FXO, E1, T1, ...)

[kingstdz]

Thanks for reply

i have limit on FXO on GW1, with GW2 i can add more FXO

the two GW1 and GW2 are configured in CUCM

how can use FXO lines on GW2 via CUCM

thanks

[Roger Kallberg]

What type of control protocol do you use for the gateways in CM?

If it is SIP, that is the current most common setup you need to configure call routing in IOS, there is really not much difference to do this depending on what circuit type you use. Then in CM you’ll configure route pattern(s) that sends the calls to the gateway. The recommendation for this is to use route group and route list instead of pointing the route pattern directly to the SIP trunk that is used for the interconnection between the CM and gateway.

[TONY SMITH]

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@kingstdz wrote:

Hello

wich config i must do on gateway2 and cucm to config line fxo on phone registred with CUCM.

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Not clear what you mean, if you want analogue phones registered with CUCM then these should be on FXS ports rather than FXO. 

[kingstdz]

thanks

i need to use GW2 in same CM ith GW1

i want to plug more FXO in GW2, and phone registred in CM will use FXO plugged  in GW2, others phone will use FXO plugged in GW1.

i have route pattern for external line routed to GW1

how i can add line FXO of GW2 in CM with phone registred.

GW1 and GW2 are in H323 gateway

i hope, is clear now

thanks for

[Roger Kallberg · Accepted solution]

It is just a matter of different partitions, which holds route pattern(s), and set of different calling search spaces that holds the partition(s) for the route pattern of each of the gateways. Then you’ll assign these CSS to the device that should call via each gateway. This is normal call routing in CM, nothing special. For example CSS_GW1 with PT PT_GW1 that points the RPs to GW1 and then CSS_GW2 with PT PT_GW2 that points the RPs to GW2. Not much more to it than this.

An option to this is to use one set of RPs that uses a RL with Standard Local Route Group in the route list and set the standard route group on the device pool. However this works best if you have a uniform dialling habit.

As an example we have more that 160 gateways in our CM system.