Having trouble placing or receiving calls or using your voicemail system on Ooma Telo VoIP Phones? Post your questions here.
#109355 by dalime
Mon Apr 29, 2013 9:51 pm
Hi everyone,
Just noticed today that I can't make any outbound calls. After dialing, there is about a 15-20 delay, then just a fast busy signal. I also cannot access VM from the Telo or either of my two handsets.
I can received incoming calls though.

I've been through the forums, power cycled everything, made sure everything has updated FW, and the Ooma setup page says all services are up. This thing has been working for years and all of a sudden this.

Any suggestions? Thanks.
#109357 by dalime
Mon Apr 29, 2013 9:55 pm
Well, as soon as I posted I figured it out.

I had been messing with the router settings a few week back trying to get my XBOX's all set up. I had changed the MTU size to 1364 per an XBOX support page. Just changed it back to auto (default) and bam, phone works again. :D

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