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Both apps can make calls over 3G/Edge networks, but some cellular providers might restrict certain protocols like SIP on their 3G networks. Review troubleshooting guides in the Audio and Call Quality Issues section if the app faces audio problems.
The blocking or mishandling of SIP traffic over 3G may affect the functionality of these applications on certain 3G networks.
While we cannot guarantee our apps work well on every 3G network, check the following troubleshooting articles based on the nature of the issue encountered, such as issues with outgoing and/or incoming audio during calls when your SIP account can register:
- No outgoing audio issues at faq.acrobits.net/no-outgoing-audio
- No incoming audio issues at faq.acrobits.net/no-incoming-audio
- Bidirectional audio issues at faq.acrobits.net/no-audio-in-either-direction.