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Register Failed: No Response From Server

Started by i68040, January 12, 2015, 01:58:33 PM

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i68040

Hi everyone,

I just purchased an ObiTalk 202 device for use with the Plivo SIP provider. Unfortunately when I try to configure the device I see this message on the system status:

QuoteRegister Failed: No Response From Server (server=54.241.2.206:5063; retry in 10s)

I am able to use these settings in the MicroSIP SoftPhone without trouble, so it surprises me to see the OBI202 not behave:

SIP Server: phone.plivo.com
SIP Proxy: phone.plivo.com:5063
user: <username>
domain: phone.plivo.com
Password: <password>
Transport: TLS
SRTP: Mandatory

I have the Obi in bridge mode behind a pfSense firewall if that makes a difference. I have configured the X_SipDebugOption option to Log All Messages but I don't see any logs that appear to be SIP related.

My thought is that the obi does not like the TLS proxy as it connects fine without it. For my application I require the TLS proxy. Does anyone have any suggestions for what to try next?

drgeoff

#1
I'm reasonably certain that 54.241.2.206 is not plivo.

So why is your OBi trying to register there?


Edit. Ignore all that.  It is incorrect.  See below.

Taoman

Quote from: drgeoff on January 12, 2015, 02:34:05 PM
I'm reasonably certain that 54.241.2.206 is not plivo.


Curious why you say that?

nslookup phone.plivo.com
Server:  UnKnown
Address:  192.168.1.1

Non-authoritative answer:
Name:    reg2.opensips-registrar.plivo.com
Address:  54.241.2.206
Aliases:  phone.plivo.com

drgeoff

Quote from: Taoman on January 12, 2015, 02:44:51 PM
Quote from: drgeoff on January 12, 2015, 02:34:05 PM
I'm reasonably certain that 54.241.2.206 is not plivo.


Curious why you say that?

nslookup phone.plivo.com
Server:  UnKnown
Address:  192.168.1.1

Non-authoritative answer:
Name:    reg2.opensips-registrar.plivo.com
Address:  54.241.2.206
Aliases:  phone.plivo.com
Hmm!
I looked up 54.241.2.206 and got EC2 Amazon which rang bells as being the server that Obihai/Obitalk uses.  I should have checked that, because I would have seen that it isn't.  My mistake.

So ignore that post.

Mango

Remember that you need to specify the port number separately, not appended to phone.plivo.com.

Are you sure the port number is 5063?  I thought TLS was 5061.

i68040

I found that by using port 5063 that I could do outbound calls over TLS and SRTP. Hacked around their 'WebSDK' javascript and found JSSIP and a reference to wss://phone.plivo.com:503.

And I was careful to only place the port number in the designated 'port' areas in the obitalk configuration. I can connect to port 5060 on plivo just fine- it's just when I try for TLS/SRTP over port 5063 where it dies and my SoftPhone succeeds.

At this point I'd settle for some decent troubleshooting messages. Unfortunately, syslog is quiet. Any suggestions?