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…

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…

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…

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…

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…

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…

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…

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

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…

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…

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…

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…

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…

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…

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…

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…

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…

I'm trying to get a SIP device on my network to work with RingCentral and I'm having bizarre issues. Its successfully registered. I've tried setting the proxy to both UDP and TCP and get the same behavior. I've tried unloading the SIP module in the XG…

Hi all, we recently replaced the SG115 with an XGS116. We have rebuild all the FW rules and NAT exactly the same as it was in the SG115. We have two other sites connected to the XGS which are accessible both ways. Below picture show the firewalls. I…

Hi All, One of the customers has a few VoIP phones in the premisses and I'm struggling to configure the connectivity between phones and the router I don't know whether this is a simple question or not but I need some help. ISP sip trunk port IP Address…

XGS2300 (SFOS 19.0.1 MR-1-Build365) We are experiencing high latency in connections on our internal network in the sip protocol, reaching over 100ms> in local network , we reviewed the entire structure, installed a new center and the latency continues…

Currently, I'm using the SOPHOS XG firewall in my office There are two ISPs: a primary ISP ( SuperNet ) with a dedicated link of 40Mbps, and a secondary ISP ( Transworld Home Fiber ) with a 100 Mbps shared link, and I want to configure my voice server…

Since upgrading to 19.0.0 we have a recurring issue where SIP connections get stuck without NAT. As best as I can tell: Firewall starts up, WAN connection(s) are not up yet PBX sends SIP packet to ISP Sophos XG records connection without any NAT…

Hi Team, I`m running Sophos XG 135 firewall. I `m using 3CX for CRM. I want to setup IP Phone outside my network(Home). Soft Phone is working fine but I want to use IP Phone. Can you please help me to achieve this. My email id is hiren@bmg.ng…

Hi, regarding this thread , is there new features in version 19?