How To Resolve The Problem "One-Way" Audio Problems; How To Use Skype On Coovox-U50; Visit The Top-Up Page - Zycoo CooVox-U20 User Manual

Step3: Configure port mapping rule of U50-B on the router
Configure port mapping of U50-B on the router as the same way of step1..
Step4: Connect two sets U50 and make the call
Create extension 601 on U50-A, extension 801 on U50-B, and create the correct outbound
rule.
Notice
Public IP must be provided by network provider. It could be dynamic IP address, and easy to
change; you can resolve this problem by using DDNS.

8.4 How to resolve the problem "one-way" audio problems

If U50 is behind router, to resolve the problem, please set up IP address as below:
Click【Advanced】->【Option】->【Global SIP Settings】:
1. External IP
2. External Host
3. External Refresh(sec)
4. Local Network Address

8.5 How to use Skype on CooVox-U50

8.5.1 Visit the Top-up Page

Visit the top-up page: http://skype.tom.com/products/en/skypeout.html
Select subscription, payment method and enter the Skype account to top up credit.
Notice
First top up for business account must be more than €50.
External IP or domain to replace the device IP
External domain to replace the device IP
Refresh time, default is 10 seconds.
IP address and subnet mask needed to be converted .
E.g.: 192.168.1.100/255.255.255.0
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