Peiople get confused when you put them on hold and they hear their own hold music/messages instead of yours. If you are worred about saving 64K of bandwidth then you have far more serious issues than which side plays the hold music.. -----Original Message----- From: VoiceOps [mailto:voiceops-bounces at voiceops.org] On Behalf Of Alexander Lopez Sent: Tuesday, April 15, 2014 11:44 AM To: Paul Timmins; David.Hiers at adp.com Cc: voiceops at voiceops.org Subject: Re: [VoiceOps] Signaling hold to the PSTN 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 ________________________________ This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system. _______________________________________________ VoiceOps mailing list VoiceOps at voiceops.org https://puck.nether.net/mailman/listinfo/voiceops