GrandStream HT-701 ATA ignoring pulses

[KarolRWT]

Hello there!
 I recently bought Grandstream HT-701 adapter, to use my old Polish RWT Telkom rotary phone that I recently refurbished. After connecting everything and doing proper setup I dial a number and... number does not exist... so I try again with modern, Philips "wireless" phone set to pulse dialing, same issue. I setted up my own VoIP server (Asterisk) and calling number 604010101 from my rotary phone, log returned: 221111111. When i called from the Philips phone log returned: 111111111. But when I decided to call number 1234567890 from rotary I got 1222222222. So apparently it's ignoring phone's pulses/interpreting it wrong...
Any tips and help will be appreciated. My current configuration of FXS Port is in attachments
P.S. Sorry if I made any mistakes, English is not my first language.

[TelePlay]

Did you determine the speed of your rotary dial? If too fast or too slow, the Grandstream may be getting confused.

If the dial speed is within the Grandstream specifications,  it's something else.

[KarolRWT]

Dial speed for "0" is standard 10 pulses/1 second. However the weird fact is that properfully configured newer phone that is set to pulse dialing has the same issue as the rotary one, Grandstream ignores pulses. i get either 1's or 2's. Is there anything I can do about it, like it is just config or something hardware related? That was only cheap ATA I could find in my country that supports pulse dialing. Rest of the ATAs are either mini telephone centrals and HT801/802 which cost more than 200PLN.
Also sorry for late reply, different time zones

[countryman]

Hi Karol, greetings from your own time zone and welcome to the forum
Unfortunately I can't offer help with the Grandstream, hopefully it can be fixed though.
If you are looking for pulse capable equipment here in Europe, you might consider "FritzBox" routers. Used ones go for little money at least here in Germany, and even postage to Poland might be worthwhile. I have a 7490 and it works well for me. Here's a list:
http://www.ptt-apparate.ch/IWV-Router/IWV-Router.html
"IWV / ja" means pulse capable.
On those boxes a not-too-slow dial is essential. The firmware identifies any pulse longer than 60 ms as a flash signal and no number is recognized. So that would be a different fault than what you have with the Grandstream right now.
Best regards, Dietrich

P.S. I have 3 Polish phones in my collection: https://www.classicrotaryphones.com/forum/index.php?topic=23893.msg257557#msg257557

[KarolRWT]

P.S. I have 3 Polish phones in my collection: https://www.classicrotaryphones.com/forum/index.php?topic=23893.msg257557#msg257557

Wow! That is a nice one! Never seen anything like that before, but it is definitely built the same.

If you are looking for pulse capable equipment here in Europe, you might consider "FritzBox" routers. Used ones go for little money at least here in Germany, and even postage to Poland might be worthwhile. I have a 7490 and it works well for me. Here's a list:
http://www.ptt-apparate.ch/IWV-Router/IWV-Router.html

I've found right now, FritzBox 7170 for veeery cheap (30PLN) which (according to the list you sent me) supports pulse dialing. And right now I'm considering: selling Grandstream and buying the Fritzbox, or fix pulse dialing on Grandstream...
Cheers!

[KarolRWT]

If there's no more I can do, I guess I'll just sell the GrandStream. I already asked a professional for help and he couldn't help me, he has no idea what is wrong, if anyone comes up with a solution, post it here so it might help other people. I've been dealing with it for over 2 weeks now. Thanks for all tips and replies.
Cheers.

[5415551212]

I setted up my own VoIP server (Asterisk)

Greetings just to confirm your setup you have either a rotary or pulse dial phone (Phillips) -> grandstream HT-701 ATA -> lan connection -> home Asterisk server?

Is there is a test page, log page or diagnostic page on the grand-stream ATA where you can test its recognition of dialed digits?
Also on the Asterisk server there should be a log of what digits it got.
There are some other threads on here on how to test a rotary dial, but I imagine there has got to be a way to test on the Grandstream ATA.
Dont give up yet, Good luck

[KarolRWT]

Greetings just to confirm your setup you have either a rotary or pulse dial phone (Phillips) -> grandstream HT-701 ATA -> lan connection -> home Asterisk server?

Yes that is right.

Is there is a test page, log page or diagnostic page on the grand-stream ATA where you can test its recognition of dialed digits?
Also on the Asterisk server there should be a log of what digits it got.
There are some other threads on here on how to test a rotary dial, but I imagine there has got to be a way to test on the Grandstream ATA.

I tried everything, basically i used Asterisk logs to check what number am I dialing.

calling number 604010101 from my rotary phone, log returned: 221111111. When i called from the Philips phone log returned: 111111111. But when I decided to call number 1234567890 from rotary I got 1222222222.

[KarolRWT]

Anoher solution I came up with is making my own Pulse-->Tone converter based on Arduino.

[5415551212]

A couple of things I would try are
disable the hook flash,
and change the On Hook Timing to 1000ms

[dsk]

Try to remove the hook flash "Yes". If that helps, the hook flash timing may need an adjustment before you go back to "Yes".
As other has mentioned, the rotary speed. I have never had problems with that on a normal 10pps dial. 

[HarrySmith]

One more thought; have you tested your dials to be sure they are at the correct speeds?

[KarolRWT]

One more thought; have you tested your dials to be sure they are at the correct speeds?

I did, it is sending pulses correctly and at correct speed. I also use modern Philips CD155 phone that is configured to pulse dial and everything is the same.
As to other replies, I'm gonna try it and I'll let you know.

[KarolRWT]

Unfourtunately those things don't make any difference

[5415551212]

When you say your checking the log is that on the grandstream?
Can you post the output of that log?