[Serusers] AS 5350 + Ser Problem

[Alberto Cruz]

Hi Razvan:
By default Cisco gateway process the call in the way you want using the 
"preference" command under the dial-peer configuration. The way it apply 
the hunt depends what kind on hunt you wish to apply lets say you have 
the following:

dial-peer voice 1 pots
description "incoming calls from PSTN"
max-conn 30
incoming called-number 333...
direct-inward-dial
port <port-id>

dial-peer voice 101 voip
preference 1
description "outgoing calls to SER: First choice"
max-conn <some value>
session protocol sipv2
session target sip-server

dial-peer voice 102 voip
preference 2
description "outgoing calls to SER: Second choice"
max-conn <some value>
session protocol sipv2
session target sip-server

dial-peer hunt <hunt value from 0 to 7>
where
  0 - Longest match in phone number, explicit preference, random selection.
  1 - Longest match in phone number, explicit preference, least recent use.
  2 - Explicit preference, longest match in phone number, random selection.
  3 - Explicit preference, longest match in phone number, least recent use.
  4 - Least recent use, longest match in phone number, explicit preference.
  5 - Least recent use, explicit preference, longest match in phone number.
  6 - Random selection.
  7 - Least recent use.

Let say you choose hunt 1 or 0. If the first choice have network 
troubles automatically the call evaluate the second choice and process 
the dial-peer if the communication is available. This only happen when 
the call is in setup process Only but not during the call is in progress 
or the call have been established.

You don't have to apply timers to do this.

I hope this help

Regards

Alberto Cruz
Steve Blair wrote:

>
>  I've never seen dial-peers work this way. If someone has experience 
> making
> them work in this fashion please post to the list. I'd be interested 
> in the solution.
>
>  You can set the sip-ua sip-server parameter to an SRV record. In this 
> case
> the Cisco will try the preferred proxy first and fail over to the next 
> proxy in the
> event the first one does not respond.
>
> Thanks,Steve
>
> Razvan Nemesiu wrote:
>
>> Hi all,
>>
>> I have a Cisco AS 5350 and two SER.On my CISCO I have an incoming 
>> pots  dial-peer from PSTN (let's say that it matches 333XXX 
>> numbers).Then I have  two outgoing voip dial-peers (both dial-peers 
>> match 333XXX numbers and are  the outgoing routes for these 
>> numbers).One of these two outgoing  dial-peers is set with a higher 
>> preference than the other in order to be  the first choice for 
>> sending the calls.One of the dial-peers has session  target one of 
>> the SER and the other has the other SER as session  target.So, the 
>> main idea is that I want to do fallback between these two  
>> dial-peers: if the connection with the first SER (that is with 
>> higher  preference) is down or there are network problems I want my 
>> CISCO to  choose the other route to my second SER (and I want it to 
>> do that after a  specified time).The question is how cand I do that ? 
>> And how can I set  this timer ?(let's say 10 seconds -> after 10 
>> seconds to choose the other  route).What commands do I have to set on 
>> the dial-peers and what commands  need to be set in the global 
>> configuration (timers,etc...)?
>>
>> Thank you very much and I appreciate any help.
>>
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>
>
>