Firewall Rules (SkySwitch)

Firewall Rules (SkySwitch)

In some cases phones will might have issues with static or no audio, and sometime calls are being dropped or incoming calls are failing.
In such cases it might be related to a firewall or other network issues, to resolve this please refer to this article.

best option would be to designate an IP for the device and remove all rules from that IP, other option is to try with allowing all our resources and see if that can get it to work.

List of Subnet Ranges and IP addresses:
70.42.44.0/24
75.98.50.0/24
216.24.144.0/24
199.21.246.224/27
207.254.80.0/22
207.254.80.0/24
207.254.81.0/24
207.254.82.0/24
207.254.83.0/24
18.209.52.107/32
54.219.249.208/32

The following protocols and ports are used by our systems:
ProtocolPort/sUse
TCP80, 443
Web UI's and provisioning servers
TCP80, 442, 443
Instant Fax server
UDP5060
SIP signaling
TCP7000, 7001
Fax ATA
TCP8001
Web Sockets
TCP8000
Text-to-Speech
UDP8889
Web Meetings and Video Conferences
UDP17000-35999
RTP
UDP8090, 20000
NPAT (Network Performance Assessment Tool)
TCP80, 443
NPAT (Network Performance Assessment Tool)


The following ports are used by the UC Client:
The UC Client only requires ports TCP/443 and TCP/9002 outbound. These carry encrypted websocket traffic. Port 9002 socket carries all SIP traffic. Additionally, audio communications are over DTLS (TLS for UDP) on ports 30000 - 40000 UDP.

The following ports are used by ReachUC:
TCP - 443, 4998, 5060, 7080, 24998
UDP - 4998, 10000-65535(for RTP/RTCP packets)

SIP ALG needs to be disabled and the timeout needs to be changed, for Sonicwall see here: https://www.sonicwall.com/support/knowledge-base/how-and-when-to-disable-sip-alg/210615065648977/ for Asus http://www.surevoip.co.uk/support/wiki/troubleshooting:sip_alg:asus_dsl-n16, other companies you should be able to find the setting easily.

Domains (allow all subdomains and subfolders):
theteklink.net
skyswitch.com
dashmanager.com
outboundproxy.com
xipx.com

    • Related Articles

    • Firewall Rules (Kazoo)

      In some cases phones will might have issues with static or no audio, and sometime calls are being dropped or incoming calls are failing. In such cases it might be related to a firewall or other network issues, to resolve this please refer to this ...

    • Call Features (SkySwitch)

      1. Voicemail Description: Listen to recorded messages left when you were unavailable. You can also set up your voicemail greeting from here. Codes: Check Voicemail: *62 or 5000 Check Voicemail (Auto login): *61 or 5001 - Requires Setup How to use: ...

    • Understanding TCR Requirements for A2P 10DLC Messaging

      What is 10DLC? 10DLC (10-Digit Long Code) was introduced to allow businesses to send SMS/MMS messages using standard phone numbers while ensuring compliance with regulations. Originally, SMS was designed for P2P (Person-to-Person) messaging between ...