[asterisk-dev] Monitoring of Call Hold

[Kevin P. Fleming]

----- Chan Kwang Mien <kwangmien at asgent-tech.com> wrote:
> Does anyone know of a way to monitor Call Hold in Asterisk ? e.g.
> when a call is put on hold, Asterisk sends a Notification to the
> phone
> such that one of its buttons starts blinking to denote a Call Hold.

Phones do this themselves. In SVN trunk, it's possible in the SIP channel to actually pass through the hold/unhold signaling to the SIP endpoints (rather than handling it in Asterisk), which should result in the behavior you are looking for. This will be part of the Asterisk 1.4 release.

-- 
Kevin P. Fleming
Senior Software Engineer
Digium, Inc.