[asterisk-users] Trying to forward calls by using the Callee's context as the forward dial context

[Ricardo Martins]

Hi John, I´m very interested into this call forwarding capabilities and 
I solved this problem filtering on the web-script (in my case, php) the 
number the user can intert on the database. (I know it´s not an asterisk 
solution).

There is an issue that I couldn´t handle. When I forward the call, I 
want to charge the user that the call was made FOR. How are you dealing 
with that? Going direct to the point, I just need to know - a tip would 
be apreciated either - how to translate/replace the FROM field of the 
forwarded call.

Rgds, Ricardo.


John French wrote:

>I'm simply trying to forward calls to users who have the call forwarding 
>feature enabled (FWD Status and FWD Ph Number kept in the astDB).  The 
>problem is that I want users to be able to forward calls to numbers that 
>they would normally be allowed to dial within their own context. (I 
>don't want a local call only person forwarding to a long dist number, 
>for example.)  I'm able to get the channel context for SIP devices but 
>not for IAX or Zap Devices.  I need some pointers on getting IAXPEER to 
>work and how to handle getting the ZAP context info.  If there's an 
>easier way, I'm all ears.  Thanks.
>
>; #####################Set Some Variables####################
>exten => s,1,Set(DEVICE=${ARG1}) ;i.e. SIP/johns_phone
>exten => s,n,Set(Protocol=${CUT(DEVICE,/,1)}) ;Parse out SIP
>exten => s,n,Set(Phone=${CUT(DEVICE,/,2)})  ;Parse out johns_phone
>
>;Stuff omitted for some amout of brevity....
>
>; #####################Make Forward Calls######################
>; We only want people to be able to forward to numbers they could 
>normally call
>; We'll have to somehow get their dialing contexts from the channel conf 
>files.
>exten => s,n(Forward),NoOp()
>
>exten => s,n,GotoIf($["${Protocol}" = "SIP"]?SIPDev)
>exten => s,n,GotoIf($["${Protocol}" = "IAX2"]?IAXDev)
>exten => s,n,Goto(ZapDev)
>
>;ok, they are an IAX device so use IAXPEER
>exten => 
>s,n(IAXDev),Set(CalledUsersContext=${IAXPEER(${Phone}:context)})
>exten => s,n,Goto(dial_time)
>
>;ok, they are an SIP device so use SIPPEER
>exten => 
>s,n(SIPDev),Set(CalledUsersContext=${SIPPEER(${Phone}:context)})
>exten => s,n,Goto(dial_time)
>
>;ok, they are an Zap device so use... Uhhhhh.
>exten => s,n(ZapDev),NoOp( I have no clue how to get the zap channel's 
>context...)
>
>exten => s,n(dial_time),NoOp(======================> Chan Type 
>${Protocol})
>exten => s,n,NoOp(======================> Chan Name ${Phone})
>exten => s,n,NoOp(======================> Channel User's context 
>${CalledUsersContext})
>exten => s,n,Dial(Local/${FWDNumber}@${CalledUsersContext}/n)
>
>
>Results at console on verbosity 9:
>SIPPEER() Works as advertised when I dial a SIP phone which has been 
>call forwarded
>    -- Executing NoOp("Zap/1-1", "======================> Chan Type 
>SIP") in new stack
>    -- Executing NoOp("Zap/1-1", "======================> Chan Name 
>jf_linksys") in new stack
>    -- Executing NoOp("Zap/1-1", "======================> Channel Users 
>context longdistance_users") in new stack
>    -- Executing Dial("Zap/1-1", "Local/5551212 at longdistance_users/n") 
>in new stack
>
>IAXPEER() Seems to be broken or I don't know how to use it properly.
>    -- Executing NoOp("SIP/jf_linksys-08f20548", 
>"======================> Chan Type IAX2") in new stack
>    -- Executing NoOp("SIP/jf_linksys-08f20548", 
>"======================> Chan Name johns_pc") in new stack
>    -- Executing NoOp("SIP/jf_linksys-08f20548", 
>"======================> Channel Users context ") in new stack
>    -- Executing Dial("SIP/jf_linksys-08f20548", "Local/5551212@/n") in 
>new stack
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