ZyXEL Communications LTE5121, User Manual

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Chapter 17 VoIP
LTE-5121 User’s Guide
173
Each field is described in the following table.
Table 71
SIP Account
:
Edit
LABEL DESCRIPTION
SIP Service Provider Selection
Service Provider
Selection Select the SIP service provider profile you want to use for the SIP account you
configure in this screen.
This field is view-only if you are editing the SIP account.
SIP Account Selection
SIP Account
Selection This shows the SIP account you are configuring.
General
SIP Account Select the Active SIP Account check box if you want to use this account. Clear
it if you do not want to use this account.
SIP Account
Number Enter your SIP number. In the full SIP URI, this is the part before the @ symbol.
You can use up to 127 printable ASCII characters.
Authentication
Username Enter the user name for registering this SIP account, exactly as it was given to
you. You can use up to 95 printable ASCII characters.
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.711MuLaw is typically used in North America and Japan.
• G.711ALaw is typically used in Europe.
• G.726-32 operates at 16, 24, 32 or 40 kbps.
• G.722 operates at 48, 56 and 64 kbps. The LTE Device must use the same
codec as the peer. 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
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.