Reject Call Via Sms - Grandstream Networks GAC2500 User Manual

Users could select "Answer" to answer with audio only, or eject the call by pressing the "Reject" soft key.

Reject Call via SMS

Users could reject incoming calls via messages. Please access Notices application
on the upper right corner, and enable "Enable Quick Reply". You can also tap on
Once enabled "Enable quick reply", when there is an incoming call, you can tap on "SMS reply" to access quick reply list, select
the reply to send the reject call.
Note
Notices reject function works when the callee sends the SIP message to the caller to reject call, please confirm your service
provider supports this service.
Figure 28: GAC2500 New Incoming Call Screen
Figure 29: Reject Call via SMS
on desktop and tap on Settings
below to custom your reply.