[Asterisk-code-review] chan sip: Add dialplan function SIP HEADERS (asterisk[master])

[Richard Mudgett]

Richard Mudgett has uploaded a new patch set (#6) to the change originally created by Kirill Katsnelson. ( https://gerrit.asterisk.org/6119 )

Change subject: chan_sip: Add dialplan function SIP_HEADERS
......................................................................

chan_sip: Add dialplan function SIP_HEADERS

Syntax: SIP_HEADERS([prefix])

If the argument is specified, only the headers matching the given prefix
are returned.

The function returns a comma-separated list of SIP header names from an
incoming INVITE message. Multiple headers with the same name are included
in the list only once. The returned list can be iterated over using the
functions POP() and SIP_HEADER().

For example, '${SIP_HEADERS(Co)}' might return the string
'Contact,Content-Length,Content-Type'.

Practical use is rather '${SIP_HEADERS(X-)}' to enumerate optional
extended headers sent by a peer.

ASTERISK-27163

Change-Id: I2076d3893d03a2f82429f393b5b46db6cf68a267
---
M CHANGES
M channels/chan_sip.c
2 files changed, 129 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/19/6119/6
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To view, visit https://gerrit.asterisk.org/6119
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Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I2076d3893d03a2f82429f393b5b46db6cf68a267
Gerrit-Change-Number: 6119
Gerrit-PatchSet: 6
Gerrit-Owner: Kirill Katsnelson <kkm at smartaction.com>
Gerrit-Reviewer: Jenkins2
Gerrit-Reviewer: Kirill Katsnelson <kkm at smartaction.com>
Gerrit-Reviewer: Richard Mudgett <rmudgett at digium.com>
Gerrit-Reviewer: Sean Bright <sean.bright at gmail.com>
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