Chapter 14 VoIP
LTE7410 User’s Guide
102
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.729 provides good sound quality and reduces the required bandwidth to 8 kbps.
• G.711a is typically used in Europe.
• G.711u is typically used in North America and Japan.
• G.726-32 operates at 16, 24, 32 or 40 kbps.
• G.722 operates at 6.3 kbps or 5.3 kbps.
When two SIP devices start a SIP session, they must agree on a codec.
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.
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.
Reject Time Specify a time of seconds that the LTE Device waits before rejecting the second call if you
do not answer it.
Active
Unconditional
Forward
Select this if you want the LTE Device to forward all incoming calls to the specified phone
number.
Specify the phone number in the To Number field on the right.
Active Busy
Forward
Select this if you want the LTE Device to forward incoming calls to the specified phone
number if the phone port is busy.
Specify the phone number in the To Number field on the right.
If you have call waiting, the incoming call is forwarded to the specified phone number if
you reject or ignore the second incoming call.
No Answer Ring
Time
This field is used by the Active No Answer Forward feature.
Enter the number of seconds the LTE Device should wait for you to answer an incoming
call before it considers the call is unanswered.
Table 41 SIP Account: Edit (continued)
LABEL DESCRIPTION
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