Grandstream GXV3140 User Manual Bedienungsanleitung Seite 40
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FIRMWARE VERSION 1.0.7.80 GXV3140 USER MANUAL Page 40 of 151
setting is Yes.
Video frame rate
The Default value is 15 frames/second. The video frame rate is adjustable
based on network conditions.
Increasing the frame rate will increase the amount of transferred data
significantly therefore consuming more bandwidth. Lack of bandwidth will
impair the video due to packet loss.
Video bit rate
The Default value is 128 kbps. The video bit rate is adjustable based on
network conditions.
Increasing the video bit rate may improve video quality if the bandwidth
permits.
Otherwise the video quality will be impaired due to packet loss.
Video Packet Size
The Default value is 1400, range from 100 to 1400.
It is recommended to use 600~800 if you have an Outbound Proxy or
Media Gateway.
Video Rate Control
Frame, TMN8 or GOP. The Default setting is Frame.
TMN8 is good for bandwidths larger than 384kbps.
Video Frame Skipping
Skips bad video frames as they are received.
The Default setting is No.
I-Frame Reference Only
When enabled, all P frames will only have reference to previous I frames.
This method may improve video quality when the network has heavy packet
loss. It will have modest increase in bandwidth usage. The Default setting is
No.
Packetization-Mode
The packetization mode (0 or 1) for the H.264 video packets. The default
setting is 0.
Redundant P-frame
This setting allows the phone to send redundant P-frames of I frames.
When an I frame is delayed or has packet loss, the redundant P-frames will
be used instead. It may make video phone call less prone to errors and thus
make the video stream more robust towards error propagation, but may
increase bandwidth usage. The default setting is set to No.
Adaptive MB Intra Refresh
This parameter specifies whether Adaptive MB Intra Refresh is used or not.
It may protect most important MBs (macro blocks) subjected to packet loss
and to avoid error propagation. The intra-refresh rate is adapted according
to the video packet loss rate. It may increase bandwidth usage. The default
setting is set to No.
Video Packet Loss Rate
Specifies the phone video packet loss rate for the Adaptive MB Intra
Refresh. Users can choose from: Less than 5%, Less than 10%, Less than
15%, Less than 20%, Less than 25%. The default setting is set to Less than
- Grandstream Networks, Inc 1
- GXV3140 User Manual 2
- TABLE OF TABLES 5
- USER MANUAL 5
- CHANGE LOG 7
- WELCOME 9
- PRODUCT OVERVIEW 11
- INSTALLATION 14
- WALL MOUNT 15
- PHONE STAND 16
- Figure 11: GXV3140 Keypad 23
- MAKING A CALL 26
- Figure 15: Message Screen 28
- ANSWERING CALLS 29
- CALL HOLD/WAITING 30
- CALL TRANSFER 31
- 3-WAY CONFERENCE 32
- CALL FEATURES 34
- DEFINITIONS 37
- DHCP Domain name 41
- (Option 15) 41
- Layer 3 QoS for Video 42
- LCD MENU AND FEATURES 62
- Figure 22: Phonebook options 63
- Example Phonebook File 65
- CALL HISTORY 66
- MESSAGES 67
- Figure 27: Message Inbox 68
- Figure 28: New message alert 68
- SOCIAL NETWORKS 69
- Figure 30: Social networks 70
- Figure 31: Skype Application 70
- Figure 33: Skype Disclaimer 71
- Figure 37: Skype Settings 74
- Figure 46: Skype Call Hold 79
- Figure 50: Skype Chat 82
- Figure 53: Delete Skype Chat 83
- Figure 55: Set User Status 85
- Figure 60: Quit Skype 87
- Figure 66: Twitter feeds 90
- Figure 67: Twitter Settings 91
- WEB BROWSER 94
- MULTIMEDIA 96
- Figure 83: Media Player 98
- Figure 87: Flickr Settings 101
- Figure 90: Gstris 102
- Figure 91: Online Music 103
- Figure 95: World Photos 105
- NEWS VIDEOS 107
- Figure 99: News Videos 108
- APPLICATIONS 110
- Figure 109: Direct IP Call 114
- Figure 110: File Manager 116
- SETTINGS 122
- Figure 123: Network Settings 123
- Figure 129: Time Settings 127
- Figure 133: Debug page 130
- Figure 135: Camera Settings 131
- PERSONALIZE 133
- Figure 146: Profile Settings 138
- Figure 150 141
- Figure 151: System Info 142
- Figure 152: Network Info 142
- Figure 154: GXV3140 Snapshot 144
- SOFTWARE UPGRADE 146
- CONFIGURATION FILE DOWNLOAD 147
Verwandte Produkte und Handbücher für Kommunikation Grandstream GXV3140 User Manual
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