[asterisk-users] * + Legacy PBX works but strange problem

[Robert Boardman]

Sriram wrote:
>  
> Hi
> below are my configs:
> pstn(e1)--->asterisk (span1)----->legacy pbx(connected via 
> span2)-----> legacy pbx analog extensions.
>  
> my dial plan is like callers dial into asterisk(span1) , hear an IVR 
> option and they are connected to the agents via the legacy pbx (which 
> is in sync with asterisk on span2)....This works perfectly fine until 
> about 200 calls or so...After that time when asterisk tries to dial to 
> the legacy pbx - the call drops with error "All are busy congested at 
> this time" .the same is indicated on asterisk -rvvvvvvvvvv , but the 
> spans are up and active at that time... can anyone throw some light on 
> this ?
>  
> >>> ZAPTEL.CONF
> |
> span=1,0,0,ccs,hdb3,crc4
> span=2,0,0,ccs,hdb3,crc4
>
> bchan=1-15
> dchan=16
> bchan=17-31
>
> bchan=32-46
> dchan=47
> bchan=48-62
> >>> ZAPATA.CONF 
> |
> |
> context=pri-pstn
> switchtype=euroisdn
> pridialplan=local
> usecallerid=yes
> hidecallerid=no
> callwaiting=yes
> usecallingpres=yes
> callwaitingcallerid=yes
> threewaycalling=yes
> transfer=yes
> cancallforward=yes
> callreturn=yes
> group=1
> callgroup=1
> pickupgroup=1
> immediate=yes
> musiconhold=default
> signalling = pri_cpe
> channel => 1-15
> channel => 17-31
>
> context=pri-legacy
> immediate=yes
> group=2
> overlapdial=yes
> signalling = pri_net
> channel => 32-46
> channel => 48-62|
> |>>> EXTENSIONS.CONF 
> |
> |
> ;
> ; Context PRI-Public
> ;
> [pri-pstn]
> ;
> include => default
> ;
> exten => s,1,Answer                   |
> |exten => s,2,Dial(Zap/g2/1888)    ; Dial to legacy pbx and sends the 4 DID digits needed for the legacy pbx
> exten => s,3,Hangup
> ;
> ; Context PRI-legacy
> ;
> [pri-legacy]
> ;
> include => default
> ;
> exten => s,1,Answer                          
> exten => s,2,DigitTimeout,2                
> exten => s,3,ResponseTimeout,2        
> exten => _X.,1,Dial(Zap/g1/${EXTEN})
> exten => _X.,2,Congestion|
> ------------------------------------------------------------------------
>
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you need to pass the clock form the telco to the legacy pbx
ie
> |span=1,1,0,ccs,hdb3,crc4|
Regards

Robb