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user couldn't make two outgoing call at same time, even they have two AT0 lines.

Publication Date:  2014-12-21 Views:  29 Downloads:  0
Issue Description
customer connect our eSpace U1911 with two AT0 lines. This AT0 trunk supply the ability making outgoing call. The outgoing call is successful why there is only one outgoing call.  The call will fail if second customer wants to make another outgoing call.

The topology is like this.

Alarm Information
call fail
Handling Process
Let our customer feed their configuration of U1911 back to us. From the configuration, we found things as following.
1. The prefix 00 is used for international call. And the matching officeselectcode is 3.


2. You have configured two officeselectcode 3 and 254.


3. You have two office for AT0, one is office 3, another is 254. And they have separate officeselectcode.


So, when you make an outgoing call, the process should be like this:
1) The called number begin with prefix 00;
2) U1911 find the matching officeselectcode should be 3;
3) And because only office 3 is match with officeselectcode 3;
4) At last, U1911 choose office 3 to go for this international call.

That mean you only use one AT0 line although you have configured two AT0 trunk. 

 
Root Cause
our customer only use one AT0 line although they have configured two AT0 trunk. 

they need to change the two AT0 office configuration to same one officeselectioncode.


Solution
please match the office 254 to officeselectcode 3 too. Then our customer can make two international call at one time.

commands:

#config modify office no 254  officeselectcode 3 

====  Command executed success !  ====
Suggestions
NULL

END