E18 Door Phone Administrator Guide
in 60 seconds. 60 seconds is the dial in time duration by default.
Dial Out Time: enter the dial in time duration for your door phone (ranging
from 5-120 sec.) for example, if you set the dial out time duration is 60
seconds in your door phone, then the door phone will hang out the call it
dialed out automatically if the call is not answered by the device being
called to.
Note:
Max dial time of device is also related with max dial time of SIP
server. If using SIP account to make a call, please pay attention
to the max dial time of SIP server. If the max dial time of SIP
server is shorter than the max dial time of device, the shorter one
is available.
8.5.3.Audio& Video Codec Configuration for SIP Calls
8.5.3.1. Configure Audio Codec
E18C door phone support four types of Codec (PCMU, PCMA, G729, G722) for
encoding and decoding the the audio data during the call session. Each type
of Codec vary in terms of the sound quality. You can select the specific codec
with different bandwidth and sample rate flexibly according to the actual
network environment. Path：Account > Advanced > Audio Codecs.
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