HELP! Can make outgoing VoIP calls but no incoming

I am hoping someone can help me out here! I am trying to get a Cisco Small Business unified communication device to connect through my DSL service. I am using a SIP trunk registration through ViaTalk and can register on their server and make outgoing calls without issue. I have yet to be able to receive incoming calls. I spent 6+ hours on the phone with Cisco tech support and they tell me it is my router blocking the incoming traffic. I set my modem/router up with a DMZ, have tried to forward all port, disabled SIP ALG and still nothing. When I called ViaTalk to see if they noticed incoming calls on their SIP server they said that everything looked good except that the port that is used for the communication seems to be altered. Does anyone know if this is something that Verizon may/may not be doing? Outgoing calls are handled on port 5060, but the ViaTalk tech support said that the request was coming through on the incoming side on port 56739. I am using a Netgear DGND3300 because the Westell 7500 is better used as a paper weight.

Thanks for the catch dslr ... I spend so much time over in the FiOS section, I totally missed this was in the DSL section.
So, with that said, has the OP had any luck getting the log files for us to look at? We should be seeing traffic coming from ViaTalk when incoming calls come in and that's what we need to see.
Also, not clear if you have the Verizon gear still in the loop here or are justing usng the Netgear. If the Verizon modem is in the picture, is it operating in bridge mode (not router mode)?

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Bump

SPA3102 - Line 1 - Outgoing VOIP calls fail

I recently reset my SPA3102.
After configuring Line 1; I am able to receive VOIP & PSTN calls on the analog phone attached but unable to make outgoing VOIP calls, I can only make outgoing calls via PSTN.
My dial plan is as follows:
(xx.|<#9,xx.<:@gw0>)
I can call the outside world by dialing #9 and then the phone number but I cannot call any VOIP extensions, when I try, I do I get the busy tone after a few seconds.
Please help, I’ve spend hours trying to figure this out to no avail.
Solved!
Go to Solution.

Thanks for your response,
I finally resolved the problem after spending many more hours on it.
It turns out the problem had nothing to do with my dial plan, it had to do with a service provider (SPA3102) I had configured on my asterisk box; adjusting the configuration on that solved the problem.

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Hello there, RobenCaatje.
The following Knowledge Base article is specific for the issue you're describing:
iPhone: Can't hear through the receiver or speakers
http://support.apple.com/kb/TS1630
Specifically:
Resolution
Verify that there is nothing plugged in to the headset jack, including headsets, headphones, or adapters.
Make sure the Ring/Silent switch is not switched to silent.
While on the Home screen, adjust the volume buttons. If you see the icon below, indicating that headphones are attached, there may be debris or an object lodged in the headset jack:
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If you have installed a protective film on the display, either ensure that the receiver is not covered or remove the film completely.
Check the receiver mesh (which is on the top front of the device, above the display). If it appears blocked, use a clean, small, dry, soft-bristled brush to carefully and gently brush away any debris.
If you have paired with a Bluetooth headset that is nearby, either use the headset or turn Bluetooth off (chooseSettings > General > Bluetooth).
Restart the iPhone.
If restarting the iPhone doesn't resolve the issue, try restoring the device.
If the issue persists, go to the Service Answer Center - iPhone for information on service.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro D.

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haynes88,
Yikes! I want you to be able to make phone calls on your cell phone! I would recommend what others have stated on here as well. Remove the sim card for a good 30 seconds while the phone is off. Then try to make the phone call again. Have you ever replaced the sim card on your device before? You can always get a new sim card for free at a corporate store location: http://bit.ly/3SdsA Please keep us posted.
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Follow us on Twitter @VZWSupport

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first solution :change the flex micro
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also watch video
http://www.youtube.com/watch?v=C-n1LJEK3PM
http://www.youtube.com/watch?v=prSZ9yJnofY
http://www.youtube.com/watch?v=tkEiR6OPhhc

HELP! Can make outgoing VoIP calls but no incoming

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