User guide

LTE TDD B2268H
User Guide
13 VoIP
Issue 01 (2014-01-15)
Copyright © Huawei Technologies Co., Ltd.
102
LABEL
DESCRIPTION
URL Type
URL Type
Select whether or not to include the SIP service domain name when the
LTE Device sends the SIP number.
SIP - include the SIP service domain name.
TEL - do not include the SIP service domain name.
Voice Features
Primary
Compression
Type
Secondary
Compression
Type
Third
Compression
Type
Select the type of voice coder/decoder (codec) that you want the LTE
Device to use. G.711 provides higher voice quality but requires more
bandwidth (64 kbps).
• G.711MuLaw is typically used in North America and Japan.
• G.711ALaw is typically used in Europe.
• G.729 only requires 8 kbps.
Select the LTE Device's first choice for voice coder/decoder.
Select the LTE Device's second choice for voice coder/decoder. Select
None if you only want the LTE Device to accept the first choice.
Select the LTE Device's third choice for voice coder/decoder. Select None
if you only want the LTE Device to accept the first or second choice.
Speaking
Volume
Control
Enter the loudness that the LTE Device uses for speech that it sends to the
peer device.
Minimum is the quietest, and Maximum is the loudest.
Listening
Volume
Control
Enter the loudness that the LTE Device uses for speech that it receives
from the peer device. Minimum is the quietest, and Maximum is the
loudest.
Active G.168
(Echo
Cancellation)
Select this if you want to eliminate the echo caused by the sound of your
voice reverberating in the telephone receiver while you talk.
Active VAD
(Voice Active
Detector)
Select this if the LTE Device should stop transmitting when you are not
speaking. This reduces the bandwidth the LTE Device uses.
Call Features
Send Caller ID
Select this if you want to send identification when you make VoIP phone
calls. Clear this if you do not want to send identification.
Active Call
Transfer
Select this to enable call transfer on the LTE Device. This allows you to
transfer an incoming call (that you have answered) to another phone.
Active Call
Waiting
Select this to enable call waiting on the LTE Device. This allows you to
place a call on hold while you answer another incoming call on the same
telephone (directory) number.
Active Call
Waiting Reject
Time
Specify a time of seconds that the LTE Device waits before rejecting the
second call if you do not answer it.
Active
Select this if you want the LTE Device to forward all incoming calls to the