Re: [Sip-implementors] REFER RURI destination

2011-02-07 Thread Saúl Ibarra Corretgé
On Mon, Feb 7, 2011 at 1:04 PM, Nauman Sulaiman wrote: > Hi ,thamks. The thing is I have configured all Us and none of them have a > proxy entry only domain. In the initial case here though the UA=> A simply   > sends it  to  b...@wherever.com as it doesn't know address of B. > Even if you don't

[Sip-implementors] Query on usage of b=RR and b=RS attributes in SDP

2011-02-07 Thread prashanth.me
Hi, I have following doubts on usage of b=RR and b=RS attributes in SDP. Assume that the SDP message sent from UA-A to UA-B includes b=RR:0 and b=RS:0. 1. Does it mean UA-A media also has RTCP component, but only to send the RTCP packet to UA-B? 2. How UA-A signals that it does not wish to se

[Sip-implementors] UDP Port for VIA Headers (SIP-TRUNK)

2011-02-07 Thread Rashid Shakil
Hello,   Is it allowed by PBX on customer premises for a SIP trunk to change the port number on VIA header once 401 UNAUTHORIZED received  from SBC (via call controller) for an outbound call  ? The UDP port initially was 15275 which was changed to 5060 after 401 response.     Before 401 (origina

Re: [Sip-implementors] Query on Handling of null ipv6 address in SDP c= line.

2011-02-07 Thread Brett Tate
For what it is worth, rfc4291 section 2.5.2 indicates that the "unspecified address must not be used as the destination address of IPv6 packets or in IPv6 Routing headers". > -Original Message- > From: Brett Tate > Sent: Monday, February 07, 2011 7:10 AM > To: 'bindukumari.r'; sip-implem

Re: [Sip-implementors] Query on Handling of null ipv6 address in SDP c= line.

2011-02-07 Thread Brett Tate
> What must be done when NULL IPv6 address in received > in SDP c= line, No MUST behavior has been defined for the situation; it is not a hold. The UAS received a request to communicate with a non reachable/responsive location. If the UAS responds prior to the connection attempt, the UAS wi

Re: [Sip-implementors] REFER RURI destination

2011-02-07 Thread Nauman Sulaiman
Hi ,thamks. The thing is I have configured all Us and none of them have a proxy entry only domain. In the initial case here though the UA=> A simply sends it to b...@wherever.com as it doesn't know address of B. in the Refer-to case UA B is given an exact address to refer to but (with some U

Re: [Sip-implementors] REFER RURI destination

2011-02-07 Thread Saúl Ibarra Corretgé
On Mon, Feb 7, 2011 at 12:42 AM, Nauman Sulaiman wrote: > Hi, situation is as follows > > 2 UA's A and B with private addresses communication with domain wherever.com > > A transfers B to Parking slot. Sometime later A retrieves B from parking > slot. The Refer sent by proxy (at wherever.com) to

Re: [Sip-implementors] Query on Handling of null ipv6 address in SDP c= line.

2011-02-07 Thread bindukumari.r
Hi Brett, Could u please clarify the below question on how to respond when NULL Connection IP is received in SDP c= line? 1 ) What must be done when NULL IPv6 address in received in SDP c= line, should it be used for putting a call on hold, should it be ignored by sending