Chapter 17 Voice
LTE Series User’s Guide
214
Password Enter the password for registering this SIP account, exactly as it was given to you.
You can use up to 95 printable ASCII characters.
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.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.
Speaking Volume Control Select the loudness that the LTE Device uses for speech that it sends to the peer
device. Choices are Minimum, Middle, and Maximum.
Listening Volume Control Select the loudness that the LTE Device uses for speech that it receives from the peer
device. Choices are Minimum, Middle, and Maximum.
Enable G. 168 Select this if you want to eliminate the echo caused by the sound of your voice
reverberating in the telephone receiver while you talk.
Enable VAD 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.
Enable 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.
Call Waiting Reject Timer Specify a time of seconds that the LTE Device waits before rejecting the second call
if you do not answer it.
Enable Do Not Disturb
(DND)
Select this to turn the do not disturb feature on. This has the Zyxel Device reject
all calls destined to the phone line.
Active Incoming
Anonymous Call Block
Select this to have the phone not ring for incoming calls with caller ID deactivated.
OK Click this to save your changes.
Cancel Click this to exit this screen without saving.
Table 84 Voice > SIP > SIP Account > SIP Account Entry Edit (continued)
LABEL DESCRIPTION
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