Intermittent Fast Busy After Dialing

[fisamo]

Keep in mind that the 35000 - 65000 ports are for the RTP stream. If you're always hearing (normal) two-way audio whenever calls complete, there's no need to worry over these ports. Whichever port you register on should determine call completion (in and out), and 5060 should do fine, unless you're trying to use 5060 on both phone jacks of your ATA...

What happens if you switch "servers" (from central to east, west to central, etc)? I generally stay on East without any incidents, and central seems to be pretty reliable. Seems West has the most issues of late.

[gls101]

Sorry I didn't get back on this sooner - I've been traveling.

It was happening within a few seconds of dialing.

I've done a couple of things that have for the most part eliminated my problems:

1) I have a Bluetooth adapter that would normally connect between the telco entrance and the telephone instrument. (In other words, it plugs into the PAP2T, and the phone plugs into it.) It intercepts the touchtone outdialing and, depending on a dialed code, can route a call to either the PAP2T or to one of two cell phones. It can also route an inbound cellphone call from either cell phone to the phone instrument.

The adapter listens to the DTMF signaling, initially not passing it to the phone line. If the call is destined for the landline (PAP2T in this case) it repeats the dialing to the line. Apparently, the PAP2T doesn't reliably like the DTMF from the Bluetooth adapter, because I disconnected it and the failure rate improved considerably.

2) When I started with Voipo I had a Linksys RVL200 VPN Router, with the latest available firmware. This thing is the most useless router I've ever seen. Forwarding of ports doesn't work reliably. Same for opening ports. I'll open or forward them, and they will test OK. I'll reboot, and they'll be closed (or open, depending on the phase of the moon). I'll reboot again, and the same ports will be open (or closed, depending on who knows what). Linksys Tech Support (an oxymoron if there ever was one) is clueless. The router is pure garbage.

I switched to an old D-Link DI-602, which at least was stable, but it had very limited support for static DHCP. It actually worked fairly well, but it had a few quirks of it's own. And no VPN, which I missed.

I finally took a spare Linksys WRT54GS and flashed it with the Tomato/OpenVPN distribution. My only regret is I hadn't done this long ago. The thing seems to be dead stable, and I didn't have to forward or open anything to support Voipo. And, I've got OpenVPN, which works great for my needs.

To make a long story short (?), these changes have made about 95% of my problems disappear. I'll keep an eye on the remaining issues, they seem more random than systemic at this point.

Gary