Problem getting IP<>PSTN to work
Gillburt:
Good evening everyone, and thank you in advance for your help.
I am based in the UK and have purchase a Obi212.
I have connected it up to my network, and my PSTN (BT landline, BT FTTC, Homehub router)
To the Obi, I have connected a Panasonic DECT phone with a hardwired base unit.
I have a Grandstream GXP1610 and picks up an IP address.
I have performed a factory reset on the Obi.
I get all the necessary green lights on the fron of the box.
It gets an IP address too.
I am able to telephone in and out using my normal Panasonic phones. That's all fine.
I am not looking to make any VOIP telephone calls to the big wide world.
What I want to have happen is:
Incoming calls ring on all phones
I can dial out using the IP phone using the PSTN.
I have tried configuring the Obi using the digit mappings suggested on these forums for the UK.
When I pick up the IP handset I hear a dial tone, but when I call a number I get NO RESPONSE
I cannot get the Obi to register with the ObiTalk website
I cannot dial **9-222-222-222 (their suggested next step), getting the message, no dial plans matched.
I have checked the firewall on my BT Smart Hub, it is allowing all outgoing ports and blocking unsolicited incoming. Games and application sharing is allowed.
SIP ALG is disabled.
Calls from the landline phones appear in the Obi call log, but there is nothing for the IP Phone.
I am now at a loss to what to do....
I suspect it's something fundamental... and that the smoking gun is that I cannot even dial **9.... but as as noob to VOIP stuff, I don't want to go around poking at things and disappear down a hole.
Any help/suggestions would be greatly appreciated.
drgeoff:
The "suggested next step" of dialling **9 222 222 222 should work from the Panasonic phone(s) on the OBi212's PHONE port. No change from default configuration of the OBi212 required. No need to do anything with firewall or port forwarding on the BTHomeHub. (I'm in the UK with an Obi110 and never had any issue with it working on BTHomeHubs 1, 2, 3, 4, 6B, 6X).
If you mean that you can't get the **9 222 222 222 to work from the Grandstream, that is a whole different ball game. Have a read of http://web.archive.org/web/20160317011451/http://www.obihai.com/docs/OBi-VoIP-Device-Attach-Legacy-IP-Phone-Workbook-v1-0.pdf. First thing to ascertain is whether you can get the Grandstream SIP registered to the OBi212.
Gillburt:
Thanks for the link.
Managed to dial the obi echo service using the analogue phone connected to the obi212.
So thank you for that.
But that’s the only progress made.
Given I cannot get the obi222 to register on the obitalk platform, how else can I tell if the grand stream is connecting?
drgeoff:
Quote from: Gillburt on February 02, 2021, 03:46:57 pm
Thanks for the link.
Managed to dial the obi echo service using the analogue phone connected to the obi212.
So thank you for that.
But that’s the only progress made.
Given I cannot get the obi222 to register on the obitalk platform, how else can I tell if the grand stream is connecting?
There is a known issue with adding any OBi to a dashboard at obitalk.com. Most people eventually succeed though it may take many tens of attempts.
However, you don't need to add your OBi212 to the portal as you can do all your configuration by pointing a browser to the OBi's IP address on your LAN and logging in with admin and admin. If you don't already know the IP address dial ***1 from the Panasonic phone.
Gillburt:
Cool.
Already done that and managed to upload the xml file for uk mapping
So, in a way, that brings us up to date with the core issue, namely cannot get the up side of things to work
An immediate question that springs to mind....Should I be able to see the ip phone when I’m in the obi212 admin pages?
Thanks for all you help so far, btw
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