[Asterisk-Users] Parking for SIP phones.

[Dave Wolven]

Hi William,

I use call parking with my 7960 phones, and ATA186.  There are two
things to keep in mind.
	1. You must do reinvite=no in sip.conf.
	2. You must pass the |t to the Dial App. to enable transfers.

I use the following line...
exten => 8103880045,3,Dial,SIP/dave1&SIP/dave3|25|tr
	
This will allow you to press # to do an * transfer, and then enter in
the call park extension.

I have tested this with:
ATA->Asterisk->7960->Park->7960
AS5300->Asterisk->7660->ATA

Thanks
Dave



On Thu, 2003-05-15 at 03:11, William Zhang wrote:
> Hi,
> 
> There were a lot discussion regarding Parking recently, but I wonder if
> people had tried to Park a call on a SIP phone.
> 
> If I understand correctly, * does NOT support parking for SIP phones.
> So I want to solicite some comments regarding Parking for SIP, and here
> is what I think:
> 
> 1. It does not matter what caller is, i.e., another SIP phone, PSTN
> call, etc.
> 
> 2. Callee, which is a SIP phone, will use transfer(REFER in SIP) to
> transfer the call to *, which is hosting parking extension say, 700.
> 
> 3. Any other SIP phones, who dial extension 700(*), will get bridged to
> the caller, or * will use reInvite to make the caller and callee talk
> to each other directly if both the caller and new callee are SIP
> phones.
> 
> 4. The original Callee will be NOTIFYed with a SIP NOTIFY message about
> the Parking.
> 
> 5. There is a draft: draft-ietf-sip-replaces-03.txt, which might be a
> more standard way of doing parking for SIP. I just found out. Maybe
> that's the way to go.
> 
> Two issue here I have not figure out:
> 
> 1. How to notify the orginal caller about which extension the call was
> Parked on? IMHO, it's not a big problem if I can pick up the call from
> another extension. So, let's call this way of parking "Blind" Parking.
> 
> 2. How do I park the call in a multiple parking extension * setup?
> Which extension should I use?  Or should * handles the multiple Parking
> extension and NOTIFY the original callee, with either a parking
> extension showing on LCD or with a voice telling it which extension its
> call is parked on?
> 
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