Zultys ZAC softphone troubleshooting

MXIE Remote Access
Using MXIE for remote access to a Zultys phone system
March 17, 2020
ZAC Remote Access
Using ZAC to remotely access Zultys phone system
March 20, 2020

Zultys ZAC softphone troubleshooting

Zultys ZAC Softphone
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While using Zultys ZAC softphone you may experience following problems:
1. Incoming calls can’t be answered
2. “Device unreachable” red popup when trying to make a call
3. Can’t make any calls

Solutions

Change default SIP ports

On Zultys phone systems  configured by Vatacom there is an alternative UDP SIP port  6060 .

Change ZAC Softphone setting
1. Local port 5062
2. Registrar port 6060
3. Keep protocol UDP
4. Click Apply

ZAC UDP alternative ports

If this doesn’t work, change protocol to TCP 

Change ZAC Softphone setting
1. Local port 5062
2. Registrar port 5060
3. Set protocol TCP
4. Click Apply

ZAC SIP TCP


If there is still a problem, switch to TLS

This is a preferred configuration.

Important: To be able to use TLS, TLS communication port has to be enabled on the phone system and set to 5061. You can find the menu below in MXAdmin Provision -> SIP and RTP, SIP settings tab. If you change settings in this window system will have to be rebooted to apply settings.

Change ZAC Softphone settings
1. Local port 5062
2. Registrar port 5061
3. Set protocol TLS
4. Click Apply

ZAC SIP over TLS


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