User Guide

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R26B
Admin Guide
How To Notify DTMF: Only available when DTMF type is Info.
DTMF Payload: To configure payload type for DTMF.
4.2.6. Session Timer
Go to Account - Advanced to configure it.
If enabled, the on going call will be disconnected automatically once
the session expired unless it’s been refreshed by UAC or UAS.
4.2.7. Encryption
Go to Account - Advanced to configure it.If enabled, voice will be
encrypted.
4.2.8. NAT
Go to Account - Advanced to display NAT related settings.
UDP Keep Alive message: If enabled, R26B will send UDP
keep-alive message periodically to router to keep NAT port alive.
Figure 4.2.6 Session timer
Figure 4.2.7 Encryption
Figure 4.2.8 NAT