[Freeswitch-users] Multiple P-Asserted-Identity Headers

Thu Jan 8 01:30:30 MSK 2015

Richard Brady,

Thanks for the input, particularly regarding “…you've effectively made that one up by setting the sip_h_P-Asserted-ID variable…”.  I copied and pasted someone else’s bad example code.

This Freeswitch syntax is working…

<action application="set" data="sip_h_P-Asserted-Identity=&quot;George F Phelps&quot;, <sip:1404XXXXXXX at 66.33.147.150>, tel:+1404XXXXXXX"/>

…but I’m still working with my VoIP service provider to find out exactly what they expect.

Thanks,

George

From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Richard Brady
Sent: Wednesday, January 07, 2015 5:03 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Multiple P-Asserted-Identity Headers

I think ...

>From a standards point of view there is no such header as P-Asserted-ID so you've effectively made that one up by setting the sip_h_P-Asserted-ID variable.

The P-Asserted-Identity header is the standards based one which is inserted by FS if you set something like:

  {sip_cid_type=pid,effective_caller_id_name=George,effective_caller_id_number=1234}

I don't think it supports multiple comma delimited values but you could try suppress it and craft the header yourself:

  {sip_cid_type=none,sip_h_P-Asserted-Identity='<sip:1234 at 1.1.1.1 <mailto:sip%3A1234 at 1.1.1.1> >, tel:+1234'}

You will need to work our the quotation system and escaping if you want to add a name and you might need to use \, instead of , too.

No idea if that would work. Good luck!

On 6 January 2015 at 13:57, George F. Phelps <GeorgePhelps at gfphelps.com> wrote:

Michael Jerris,

Thanks for pointing out the comma delimited syntax.  However…

I am still trying to get setting my outbound caller ID to work.  I noticed, in this Freeswitch SIP trace…

send 1202 bytes to udp/[66.33.147.150]:5060 at 07:12:09.474756:

   ------------------------------------------------------------------------

   INVITE sip:1770XXXXXXX at 66.33.147.150 <mailto:sip%3A1770XXXXXXX at 66.33.147.150>  SIP/2.0

   Via: SIP/2.0/UDP 54.174.255.168:5080;rport;branch=z9hG4bKKDN5acD6Zcp2g

   Max-Forwards: 69

   From: "George F Phelps" <sip:1404XXXXXXX at 54.174.255.168 <mailto:sip%3A1404XXXXXXX at 54.174.255.168> >;tag=gpmpmpp142SFH

   To: <sip:1770XXXXXXX at 66.33.147.150 <mailto:sip%3A1770XXXXXXX at 66.33.147.150> >

   Call-ID: 146d208a-1040-1233-1bbe-0a1aa9c1784d

   CSeq: 69937100 INVITE

   Contact: <sip:gw+switch2voip.us at 54.174.255.168:5080;transport=udp;gw=switch2voip.us>

   User-Agent: FreeSWITCH-mod_sofia/1.5.15b+git~20141230T150632Z~1965b3b18d~64bit

   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY

   Supported: timer, path, replaces

   Allow-Events: talk, hold, conference, refer

   Privacy: none

   Content-Type: application/sdp

   Content-Disposition: session

   Content-Length: 251

   P-Asserted-ID: "George F Phelps", <sip:1404XXXXXXX at 66.33.147.150 <mailto:sip%3A1404XXXXXXX at 66.33.147.150> >, tel:+1404XXXXXXX

   X-FS-Support: update_display,send_info

   P-Asserted-Identity: "George F Phelps" <sip:1404XXXXXXX at 54.174.255.168 <mailto:sip%3A1404XXXXXXX at 54.174.255.168> >

   v=0

   o=FreeSWITCH 1420520731 1420520732 IN IP4 54.174.255.168

   s=FreeSWITCH

   c=IN IP4 54.174.255.168

   t=0 0

   m=audio 25598 RTP/AVP 0 8 101 13

   a=rtpmap:0 PCMU/8000

   a=rtpmap:8 PCMA/8000

   a=rtpmap:101 telephone-event/8000

   a=fmtp:101 0-16

   a=ptime:20

   ------------------------------------------------------------------------

…that there is apparently both a “P-Asserted-Identity” and a “P-Asserted-ID” header.  What’s up with this?  Are there two different headers?  Is the Freeswitch SIP trace a formatted dump of the SIP packet, or is it a series of debug printf statements from where the data is added to the packet?

Thanks,

George

From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Michael Jerris
Sent: Monday, January 05, 2015 1:34 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Multiple P-Asserted-Identity Headers

put them together as a single header separated by a comma.  http://www.ietf.org/mail-archive/web/sip/current/msg17485.html has more info.

On Jan 5, 2015, at 6:56 AM, George F. Phelps <GeorgePhelps at gfphelps.com> wrote:

How do I create two (2) unique, P-Asserted-Identity headers?  As required by  <http://www.ietf.org/rfc/rfc3325.txt> RFC 3325:

A P-Asserted-Identity header field value MUST consist of exactly one name-addr or addr-spec.  There may be one or two P-Asserted-Identity values.  If there is one value, it MUST be a sip, sips, or tel URI.   If there are two values, one value MUST be a sip or sips URI and the  other MUST be a tel URI.

A valid, multiple P-Asserted-Identity headers example, taken from RFC 3325:

   INVITE sip:+14085551212 at proxy.pstn.net SIP/2.0

   Via: SIP/2.0/TCP  <http://useragent.cisco.com/> useragent.cisco.com;branch=z9hG4bK-124

   Via: SIP/2.0/TCP  <http://proxy.cisco.com/> proxy.cisco.com;branch=z9hG4bK-abc

   To: <sip:+14085551212 at cisco.com>

   From: "Anonymous" <sip:anonymous at anonymous.invalid>;tag=9802748

   Call-ID: 245780247857024504

   CSeq: 2 INVITE

   Max-Forwards: 69

   P-Asserted-Identity: "Cullen Jennings" <sip:fluffy at cisco.com>

   P-Asserted-Identity: tel:+14085264000

   Privacy: id

When I use the following two (2) statements in a Freeswitch dialplan, the second “set,” of course, overwrites the data stored by the first “set.”

    <action application="set" data="sip_h_P-Asserted-ID=tel:+1404XXXXXXX"/>

    <action application="set" data="sip_h_P-Asserted-ID=&quot;George F Phelps&quot; <sip:1404XXXXXXX at YY.YY.YYY.YYY>"/>

Thanks,

George

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