sip registration

Having a wierd issue and I need help! I have a customer that has a bunch of phones at one location, they had internet issues last week and the ISP fixed the issue, since then I'm having an issue with their phones. They have Grandstream and yealink phones, all phones are provisioned directly...

I have a PBX that we just allowed external access to. I have assigned it an FQDN for public use. The internal users are registering with the IP of the PBX. When the external users attempt to login they get a domain error. You must define a domain called 'Sip.<myDomain>.com' in your directory...

Hey experts, i have three FusionPbx and all of these are hosted on different on Cloud Platform (Amazon, Linnode and Vultur) but am unable to register phone on any of these "Registration error 408 Request Timeout" any idea?? no firewall is enable i even tried fail2ban and restart but nothing is...

I'm trying to auto-provisioning a grandstream phone, extension 3001 is mine extension 4559 and 100 and 4560 they are not mine. Does this mean my system is compromised? any immediate security tips Thanks!

Hello, I have a Physical SIP Trunking from a Service Provider, Where they have given me a hardware with private IP. I am trying to register a gateway but i am unable to it. I have 2 Lan Cards, in one port i have the Lan with Internet Connection and on the other IP i have a direct line to the...

Hi Guys, I have a FusionsPBX on AWS. Few Polycom handsets on multi tenant setup are connected to it. Works really well. Due to some Internet Outage on a site using ADSL, I'm trying to connect 2 Polycom phones via a LTE Router. I live in Australia and I'm using a Telstra as the Mobile data...