300769
17
Zoom out
Zoom in
Previous page
1/165
Next page
1-6
Linksys IP Phone Administrator Guide
Firmware Version 5.1
Chapter 1 Introducing Linksys IP Phones
Feature Descriptions
The administrator can select the low-bit-rate codec used for each line. G.711a and G.711u are always
enabled.
Table 1-3 describes the codecs supported by the Linksys IP phones.
When no static payload value is assigned per RFC 1890, Linksys IP phones can support dynamic
payloads for G.726.
Ta b l e 1-3 Codecs Supported by Linksys IP Phones
Codec (Voice Compression
Algorithm)
Description
G.711 (A-law and mµ-law) This very low complexity codec supports uncompressed 64 kbps
digitized voice transmission at one through ten 5 ms voice frames
per packet. This codec provides the highest voice quality and uses
the most bandwidth of any of the available codecs.
G.726 This low complexity codec supports compressed 16, 24, 32, and 40
kbps digitized voice transmission at one through ten 10 ms voice
frames per packet. This codec provides high voice quality.
G.729A The ITU G.729 voice coding algorithm is used to compress digitized
speech. Linksys supports G.729. G.729A is a reduced complexity
version of G.729. It requires about half the processing power to code
G.729. The G.729 and G.729A bit streams are compatible and
interoperable, but not identical.
G.723.1 Linksys IP phones support the use of ITU G.723.1 audio codec at 6.4
kbps. Up to two channels of G.723.1 can be used simultaneously.
For example, Line 1 and Line 2 can be using G.723.1
simultaneously, or Line 1 or Line 2 can initiate a three-way
conference with both call legs using G.723.1.
17


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Cisco spa921 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Cisco spa921 in the language / languages: English as an attachment in your email.

The manual is 3,49 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Cisco spa921

Cisco spa921 User Manual - Dutch - 19 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info