[VoiceOps] Signaling hold to the PSTN

[Alexander Lopez]

SS7 as well as sip allow for remote hold. No media is transmitted at that point in Sip you save bandwidth in TDM you don't eat up a channel

-------- Original message --------
From: Paul Timmins
Date:04/15/2014 11:20 AM (GMT-05:00)
To: David.Hiers at adp.com
Cc: voiceops at voiceops.org
Subject: Re: [VoiceOps] Signaling hold to the PSTN

Shouldn't the local switch just play hold music into the network, and the other side be completely unaware of hold at all?

On Tue, 04/15/2014 10:39 AM, "Hiers, David" <David.Hiers at adp.com> wrote:
Hi,
What has been your experience in signaling holds to the PSTN?  The more everyone converts to SIP and peers with our carriers, the more stacks we see on the far end.  A growing number seem to have trouble accepting any kind of hold SDP signals such as a=inactive/sendonly, quad zeros, etc.

Is this vexing you too, or is it just me?





David



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