The client of mine insisted on using Panasonic Cordless phones with the digital voicemail features. So I’m hooking the phones to GrandStream Handtone 286s. I’m running Asterisk on a Debian box and can call out and receive calls through Teliax just fine. However, when an incoming caller (after leaving a message) hangs up, the answering machine seems to keep the line alive with a very loud busy signal. It does this 3 times, then hangs up. The messages also record this sound, and it is very annoying.
Any ideas on how stop this? I was looking around and thinking that Asterisk is not detecting the hangup?
in the same context? it sounds like the channel is being held open
btw why are you not suggesting they use the asterisk voicemail system?
[quote=“aluminumpork”]The client of mine insisted on using Panasonic Cordless phones with the digital voicemail features. So I’m hooking the phones to GrandStream Handtone 286s. I’m running Asterisk on a Debian box and can call out and receive calls through Teliax just fine. However, when an incoming caller (after leaving a message) hangs up, the answering machine seems to keep the line alive with a very loud busy signal. It does this 3 times, then hangs up. The messages also record this sound, and it is very annoying.
Any ideas on how stop this? I was looking around and thinking that Asterisk is not detecting the hangup?[/quote]
And yet the line hangs and goes to a fast busy signal when caller hangs up after recording their message.
As far as the Asterisk voicemail system goes, I would normally recommend it, but since we’re using PSTN phones, I can’t really think of a good way to blatantly notify of a message, besides email.
And yet the line hangs and goes to a fast busy signal when caller hangs up after recording their message.
As far as the Asterisk voicemail system goes, I would normally recommend it, but since we’re using PSTN phones, I can’t really think of a good way to blatantly notify of a message, besides email.
The problem is not with asterisk. its the phone. This is very common with answering machines off PBXs. The HT is not sending any CPC signal that the answering machine is expecting. So it just hangs on, But it does recognise fast busy so when it hears that it hangs up.
What you need to do is check the HT to see if it can send a disconnect signal that the answering machine understands
hmm… I haven’t had a chance to tried to add in the h extension yet (i’ll have a chance next week), but ianplain, if you could explain a little more about what you mean I’d be grateful.
Hmm… Yeah, I was looking through the settings on the HT, but the only thing even remotely close to something useful what the “Reverse Polarity on Hang Up” option. I tried that, but no change.
You could either switch ATAs to something that generates open loop CPC, which is probably what the Panasonic expects or get a device to convert the reversal into an open loop.