[asterisk-bugs] [JIRA] (ASTERISK-20709) Asterisk sends wrong Caller IDs in first SIP NOTIFY message

[Stefan Reuter (JIRA)]

Stefan Reuter created ASTERISK-20709:
----------------------------------------

             Summary: Asterisk sends wrong Caller IDs in first SIP NOTIFY message
                 Key: ASTERISK-20709
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20709
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/Subscriptions
    Affects Versions: 11.0.1
         Environment: Asterisk 11.0.1 (11.1.0-rc1 also affected), Polycom 650 Firmware 4.0.3 rev F
            Reporter: Stefan Reuter
         Attachments: wrong_caller_id.pcap

The fix for ASTERISK-16735 does not work with Polycom phones. Asterisk sends the wrong Caller IDs with the first SIP NOTIFY message and follows up with a seconds message with the correct Caller IDs. Polycom phones do not update the display and continue to show the wrong Caller IDs from the first message.

First SIP NOTIFY message conatins wrong remote and local identity (both extension/address of called phone):
{code}
<remote>
<identity display="1202">sip:1202 at reucon.com</identity>
<target uri="sip:1202 at reucon.com"/>
</remote>
<local>
<identity display="1202">sip:1202 at reucon.com</identity>
<target uri="sip:1202 at reucon.com"/>
</local>
{code}

Second SIP NOTIFY message contains correct remote and local identity:
{code}
<remote>
<identity display="Stefan Reuter">sip:1201 at reucon.com</identity>
<target uri="sip:1201 at reucon.com"/>
</remote>
<local>
<identity display="phone-02">sip:1202 at reucon.com</identity>
<target uri="sip:1202 at reucon.com"/>
</local>
{code}

See attached pcap file.

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