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Voip no audio | Netgate Forum
https://forum.netgate.com/topic/154886/voip-no-audio#:~:text=VoIP%20without%20audio%20is%20a%20NAT%20issue.%20If,is%20no%20audio%20then%20RTP%20is%20not%20working.
How to troubleshoot one-way and no-way audio on VoIP …
http://info.teledynamics.com/blog/how-to-troubleshoot-one-way-and-no-way-audio-on-voip-calls
The vast majority of one-way or no-way audio problems are a result of the blockage of RTP ports for the voice stream. There may be many reasons why these ports would be blocked. Some of the most common are: (1) Network Address Translation (NAT)
The causes of No-Audio and One-Way-Audio VoIP Calls ...
https://blog.kolmisoft.com/the-causes-of-no-audio-and-one-way-audio-voip-calls/
NAT is a common cause of one-way and no-way audio on VoIP calls. Best practices have been written up in an RFC to define NAT traversal for SIP-based voice communications. Double NATing: when a device is under double NAT.
How to resolve one-way or no-way audio on VoIP calls
http://info.teledynamics.com/blog/how-to-resolve-one-way-or-no-way-audio-on-voip-calls
One of the most common challenges involves a technology called Network Address Translation (NAT), which for data networks has been a godsend, but if not configured carefully, could cause problems for voice applications. In particular, NAT is a common cause of one-way and no-way audio on VoIP calls.
No audio on incoming VoIP - Spiceworks
https://community.spiceworks.com/topic/2106218-no-audio-on-incoming-voip
If the wireshark capture only captures your audio / outbound audio only, then it could be a firewall, SIP settings, port-forwarding or provider issue. If wireshark doesn't capture ANY audio, than it's likely that only your initial SIP session is working and that your RTP stream/s (10000-20000, by default for SIP) are not being set up properly.
VOIP No Audio / Video - The Meraki Community
https://community.meraki.com/t5/Switching/VOIP-No-Audio-Video/m-p/14297
VOIP No Audio / Video. I am installing a Site To Site VPN Tunnel using MX100,MX84 and MS250's. Everything is working perfectly except the Cisco VOIP Phones. Not getting any audio on 4 digit extension calls where the full number has audio and no video at all. Does anyone have.
How to solve VoIP one way audio- step by step.
https://www.voipmechanic.com/voip-one-way-audio.htm
Do the following: Connect the VoIP ATA, IP Phone, or PC with softphone directly to the modem device. Make sure you get registered and obtain a valid IP address. In many cases this could be a public IP address. Make a test call. If one way audio still exists check to see if you have a public or private (192.168.1.xxx) IP address.
Voip no audio | Netgate Forum
https://forum.netgate.com/topic/154886/voip-no-audio
Voip no audio 1.Is your WAN a public IP or a private IP? If it's public then you're not being double NATted. If it's private then it... 2.Does the modem have any firewalling in place? Regardless of the rest of the stuff, having the firewall on can... 3.Is the modem performing SIP ALG? If so, it must ...
VoIP settings (no voice/audio) - Network Protection ...
https://community.sophos.com/utm-firewall/f/network-protection-firewall-nat-qos-ips/40449/voip-settings-no-voice-audio
Global SIP Settings > SIP client networks (VoIP Network) With this settings I can register, initiate and receive calls, but no voice/audio for both. If I in FW make the rule VoIP Network to ANY with services set to ANY then I get voice/audio. Packet filter logs is full of entries like this:
How to troubleshoot one-way / no audio issues - Cisco ...
https://community.cisco.com/t5/collaboration-voice-and-video/how-to-troubleshoot-one-way-no-audio-issues/ta-p/3164442
sometimes the users even refer to these as "dropped calls" because they get a call, there is no audio and after a few seconds they hear reorder tone, (fast busy), this happens because the caller cannot hear the called phone and it's getting dead air and hang up, or maybe they can hear the other end, but realize that the called phone cannot hear …
SIP behind firewall no audio in both ways - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/sip-behind-firewall-no-audio-in-both-ways/td-p/4191197
SIP behind firewall no audio in both ways. Hello Everyone im new in voip im working in new project and i have this toplogy. Cisco jabber -->Cucm-->Cube-->Firewall (sophos)--->INTERNET (SIP-Trunk) the problem was the phone ringing but there's no sound in both ways and i think the problem is NAT. the firewall is sophos.
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