[asterisk-dev] Call Pickup Issues v1.6.2.11

[Mark Michelson]

On Wed, 2010-08-25 at 18:54 -0400, Bryant Zimmerman wrote:
> Hi all now that I am on 1.6.2.11 I am running into call pickup
> issues. 
> 
>  
> 
> What changed between asterisk 1.6.1.20 and 1.6.2.11 with call pickup.
> I can not find anything in the change log that would indicate why our
> call pickup ability broke. 
> 
>  
> 
> Grandstream phones send a prefix to the extension on call pickup so
> say a user tries to pickup extension 6168551030.6001 the grand stream
> phone would send **6001 our dial context for extensions would send a
> pickup for SIP/6168551030.6001  
> 
>  
> 
> Exp:
> 
> 
> 
> [macro-SBussniessMSIP-Operator]
> exten => s,1,Set(_PICKUPMARK=ext6168551030.OPERATOR)
> 
> [macro-Core_ExtFlow]
> exten => s,1,NoOp(${ARG3})
> .......
> 
> exten => _NXXX,1,Set(_PICKUPMARK=DOcp
> ${sitePickupGroupEXT}${siteExtPrefix}${l_Ext})
> exten => _NXXX,n,NoOp(${CALLERID(num)})
> 
> exten => _**NXXX,1,Set(l_Exten=${EXTEN:2})
> 
> exten => _**NXXX,n,Goto(DoPickup,1)
> 
>  
> 
> exten => DoPickup,1,Pickup(ext6168551030.${l_Exten}@PICKUPMARK) 
> 
> exten => DoPickup,n,Pickup(ext6168551030.OPERATOR at PICKUPMARK) 
> 
>  
> 
> This worked grate.  But when we went to asterisk version 1.6.2.11
> they system no longer goes to the **6001 extension in our dial
> context. The cli shows the following
> 
>  
> 
> [Aug 25 13:04:38] NOTICE[9272]: chan_sip.c:19964
> handle_request_invite: Trying to pick up 6001 at 6168551030-sbm-blf
> 
> [Aug 25 13:04:38] NOTICE[9272]: chan_sip.c:19964
> handle_request_invite: Trying to pick up 6001 at 6168551030-sbm-blf
> 
>   == Extension Changed 6003[6168551030-sbm-blf] new state InUse for
> Notify User 6168551030.6001
> 
>  
> 
> After doing some packet captures it apears that some how asterisk
> version 1.6.2.11 is flagging the phone and grandstream is sending the
> call without the **Exten but the Invite header has somthing about
> pickup in the Contact and asterisk is trying to look in my
> subscribecontext=6168551030-sbm-blf
> 
> Message Header
>     Contact: <sip:6168551030.2032 at 192.168.40.126:44668;transport=udp> 
> 
>     Replaces: pickup-ec475d2a488a2601 at 192.168.40.126
>     Supported: replaces, timer, path
> 
> When I dial the **6001 to do the pickup and do not push the flashing
> blf  they the pickup works like it use to.
> 
>  
> 
> Any ideas or direction?  Who has changed the pickup code so they could
> tell me what has changed and how to override it back to the old
> behavior.
> 
>  
> 
> The Grandstream guys are going crazy with this one their engineer is
> trying to help me figure out what is causing their phone to change
> it's behavior and not send the **
>  
> 
> Thanks
> 
> Bryant

See these issue reports:
https://issues.asterisk.org/view.php?id=17633
https://issues.asterisk.org/view.php?id=14567
https://issues.asterisk.org/view.php?id=17671

They were fixed on August 13, so likely after the release of 1.6.2.11.
If you try using the current tip of the 1.6.2 branch, do you still have
the issue?

Mark Michelson