• Sip from one internal zone to another

    Michael Pousen
    Michael Pousen
    We have our telephones in their own network zone - the Phone. I would like to have have a few mobile devices in a different zone with a sip client be able to access the pbx. Created a rule to allow udp 5060, what our pbx is setup to use for sip, and yet…
    • 16 days ago
    • Sophos Firewall
    • Discussions
  • Unconfigured VoIP Functionality on XGS 116 – Assistance Needed

    John Spurlock
    John Spurlock
    I am reaching out regarding an XGS 116 recently purchased by a client. Interestingly, VoIP functionality—both inbound and outbound—is fully operational without any specific configurations applied to the device for the VoIP provider. There are currently…
    • Answered
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • PABX and SIP cant ping my sophos in

    Jasper Dredd Guibani
    Jasper Dredd Guibani
    I’m currently facing some connectivity challenges with my network setup. My PABX and SIP systems are working fine—they respond to ping requests, so they’re definitely online. However, I can’t seem to get any incoming connections from the PABX to my Sophos…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • problems with voip telephony, using site to site vpn connection

    Carlos Daniel Hernandez Ramos
    Carlos Daniel Hernandez Ramos
    implementing vpn site to site connection, causes problems with ip telephony, when starting the connection or disabling the connection causes my voip phones to start disconnecting from the pbx. once the connection is established and having the vpn connected…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • NS300 Not Reachable from Sophos XG4500, but Can Call Outside

    Jasper Dredd Guibani
    Jasper Dredd Guibani
    Hi everyone! I’m facing a puzzling connectivity issue in my PABX setup. My NS300 cannot be pinged from my Sophos XG4500 when my SIP router is connected to the core switch. However, I can still make calls outside, which adds to the confusion. Coreswitch…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • VoIP Traffic Through Secondary WAN Port

    daniel_schmidt
    daniel_schmidt
    Hi All. Firstly, thank you for your time to help! Let me give you a quick breakdown of my network and then I will explain what I am trying to do. I have a XGS 2100 running on v20 SFOS. I have 2 ISP connections, a primary and a backup. (I have set…
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • Outbound UDP port 443 blocked

    Ben Rose
    Ben Rose
    We have a Sophos XG135 firewall running SFOS 20.0.1 MR-1-Build342). We have a cloud 8x8 VOIP phone soultion which is having intermittant audio issues. We have been asked to run their network diagnostic tool which is reporting back UDP port 443 outbound…
    • 4 months ago
    • Sophos Firewall
    • Discussions
  • Established sSite to Site SSL VPN, Voip phones only working partially

    mmiller
    mmiller
    Hello - I have an XGS 2100 at HQ. We were using a RED device to connect the branch office Phone and LAN traffic via VPN to the HQ PBX/LAN and everything worked fine. Given the rollout of the latest OS, the RED is no longer compatible, so we are attempting…
    • 4 months ago
    • Sophos Firewall
    • Discussions
  • VOIP QoS

    Boris60
    Boris60
    Hi, I am really confused about how to do this on XG. I can go to Traffic Shaping and create my policy and attach it to my rule or service - but then in Traffic Shaping Service there is a setting "Optimize for real-time (VoIP)" that is Enabled by default…
    • Answered
    • 6 months ago
    • Sophos Firewall
    • Discussions
  • Appliance Access is Denied and Webex audio problems

    StefanS
    StefanS
    Hi there, Need your help and expertise. We have an HA here with Sophos XGS2300 (SFOS 19.5.3 MR-3-Build652). The following problem occurs in particular with Webex Audio / Video. From external to internal and vice versa, the audio and video channel is established…
    • Answered
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • VOIP SIP Hunting Group Reply Packets

    Gerd Rehders1
    Gerd Rehders1
    Hi, I observe a strange behavior regarding UDP Reply Packets on multiple WAN interfaces. Since we have configured a SIP hunting group with our telephone provider, the provider sends option pings on the 3 existing WAN interfaces. 3 DNAT rules are set…
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • Video conferencing in web browser

    Jonas Stadler
    Jonas Stadler
    Hello everyone, we have been having problems with video conferencing via browser for some time now. We are using a XG 230 in webproxy mode with HTTPS decryption, IPS and ATP activated. The clients are configured with a standard / manual proxy. Everything…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Voice Issue

    aneeqahmed2147
    aneeqahmed2147
    Hi Guys, Need urgent help. Actually I have configured SSL VPN on Sophos XG Firewall for voice communication work from home. My softphone connects fine but when I dial a test call it gives the error "VOIP connection can not be established". I don…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • 3CX Full Cone error

    LeeShellard
    LeeShellard
    Hi I have a XG and im trying to get 3CX working correctly. I have nat and firewall rules set but when i run a test from 3cx I'm getting the full cone error i cant see what I'm missing
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • VOIP QOS Policies

    AstaroNBack
    AstaroNBack
    Telephony devices are placed in Vlan 20, and all Vlan 20 networks are listed a IP group called VOIP. We have XGS devices at locations routing to core XGS where voip servers are located. We have a global rule which permits routing between trusted voip…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Phones behind XGS lose connection to Cloud PBX every hour

    Dennis Kirschner
    Dennis Kirschner
    Hello all, we have a problem with a new XGS126 and connecting phones to a cloud PBX. Yesterday we have exchanged a UTM for a XGS. Until then the telephony worked without problems. Since the swap, the phones (Yealink) lose connection to the PBX (Starface…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • How to explain this log?

    Michal Talman CZ
    Michal Talman CZ
    Hi, I have rule 5. It's a DNAT from the WAN IP 188.175.113.182 in to the network to the VoIP server. If I look in the LOG, I see the following: The first line does correspond to rule 5, but what do the other lines mean? They are also marked…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • IP phones are not connecting

    Indura Samarawickrama
    Indura Samarawickrama
    Hi, IP Phones are connected to the firewall on WiFi VLAN, then redirected to the router via SIP trunk. SNAT is enabled to establish the VoIP service. My problem is, in the firewall rule, if we choose source devices using IP host group, it only connects…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Finding SIP traffic in logviewer - how?

    rfcat_vk
    rfcat_vk
    Hi folks, I am investigating why one of my VoIP phones has failed. I have searched logviewer and its many sub-menus and not able to find any SIP traffic (UDP port 5060) or even using the ATA's IP address. Please advise how I find the SIP traffic?…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • XG19.5.1 Consistent NAT

    Gareth Hill
    Gareth Hill
    Good afternoon All, I've been asking by our VOIP hosting service to enabled Consistent NAT on our Firewall XG. However I can't find out if that's possible nor how to do it. I have searched, and people mention it being available in V18, but nobody has…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • XG430 blocks VoIP from PBX

    Hanfland
    Hanfland
    Hello everyone, last Friday we set up an XG 430 in bridge mode. (Port 1 + 2, same zone) So far everything works perfectly, but now suddenly all IP phones have no connection to the PBX. Also it is not possible to access the web interface of the PBX…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • 3CX using Sophos Loopback Not working

    Ryan Holmes
    Ryan Holmes
    Hi There, I'm learning my way around Sophos FW and have decided to learn 3CX systems and to see if I can get a IP Phone to provision via the internet. So far the system works and I have checked the ports and they open. I know this because I've tested…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • VoIP-"Allow"-Rule randomly blocks traffic

    Anthony Stang
    Anthony Stang
    Hello, this is my first time on here so please be patient. I´ve been experiencing some problems with our current VoIP configuration on out XGS2300 that i can´t seem to find an explanation for: I´ve built a bidirectional rule as follows: Any Zone…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XG VoIP Problem

    Pascal Vieth
    Pascal Vieth
    Hello community, we configured our new Sophos XG Firewall and now we have a problem we are not able to solve. When we use the VOIP Client on the PC everything works fine. (Incoming Calls, outgoing calls etc.) When we use the hardware phones and…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • How to Prioritize VOIP Traffic on XGS?

    kentiler
    kentiler
    Hi, We are using a Sophos XGS 2100 for our office with a single WAN connection. I've been searching for a solution on how to prioritize VOIP traffic because we are getting some quality issues from time to time, but have less than 4 concurrent calls…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
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