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ISDN gateway administration
48
or
partly as a voice-only gateway: where incoming ISDN video-conferencing calls are allowed, but
outgoing ISDN calls are voice only (or vice-versa)
dial plan configuration: where particular calls (ingoing and outgoing) are allowed to be video-
conferencing calls, and where particular calls are restricted to voice-only
IP to ISDN calls
IP endpoints sometimes do not allow the caller to specify the type of call being made. For example, a caller
may want to make a telephone call (that is, voice only), but are unable to specify that this is a telephone call.
To overcome this problem, if required, the ISDN gateway can extract the voice part of the call and forward
it to the ISDN network as a voice-only call. For IP to ISDN calls, if the ISDN gateway receives a video-
conferencing call that has been restricted to being a voice-only call (due to the settings on the ISDN
gateway), the unit will forward it as a voice-only call (the call will not be dropped). If the IP endpoint does
allow call type to be specified, an IP telephone call will always be placed as such.
ISDN to IP calls
ISDN endpoints usually allow a caller to specify the type of call being made. This is important, because with
ISDN calls the voice part of the call cannot be separated from the video part. Therefore, if the ISDN
gateway receives a video-conferencing call and the dial plan restricts the ISDN gateway to voice-only calls,
the unit will drop the call. Voice-only telephone calls will always be accepted by the ISDN gateway.
For more information, refer to “Using the ISDN gateway for Voice-Only Calls”.
Monitoring calls
The ISDN gateway provides details about call activity and port activity:
To display the basic settings for active and recently completed calls, go to ISDN > ISDN calls. The
ISDN Calls List is displayed. You can disconnect active calls and delete completed calls from the list.
See the online help topic “Displaying ISDN calls list”
To display detailed call information for active calls, go to ISDN > ISDN Calls and click more for the call
about which you want more information. See the online help topic “Displaying detailed call
information”
To display port activity for each ISDN channel on an ISDN port-by-port basis, go to ISDN > ISDN
ports
. See the online help topic “Displaying ports utilization”
- Codian Video Conferencing 1
- The Americas 2
- Asia Pacific Region 2
- Table of contents 3
- Chapter 1 Introduction 7
- Using this document 8
- Chapters in this guide 9
- Introduction 10
- H.323 protocol 11
- Video conferencing today 13
- MCU 4200 series 15
- Video ports 16
- Additional voice 16
- Concurrent streaming ports 16
- IP VCR 2200 series 17
- Gateway 3200 Series 18
- Simple scenarios 20
- IP network 21
- Sharing data with the IP VCR 23
- ISDN/PSTN 26
- Chapter 5 First steps 31
- The guest user 32
- Port reservation (MCU only) 33
- Auto attendants on the MCU 34
- Auto attendants on the IP VCR 35
- Localized MCU units 36
- Communicating with the unit 36
- First steps 38
- Chapter 6 MCU administration 39
- MCU administration 40
- Conference PINs 42
- Conference ownership 42
- Content channel support 42
- Enabling the MCU for H.239 43
- Configuring endpoints 43
- Setting up a H.323 gateway 43
- Cascading MCUs 44
- Load balancing MCUs 44
- Making recordings 47
- Enabling the IP VCR for H.239 48
- Summary information icon 49
- Transferring recordings 49
- Displaying IP VCR statistics 50
- Installing the ISDN gateway 51
- Basic call routing 52
- Advanced call routing 52
- Setting up a gatekeeper 53
- Monitoring calls 54
- Chapter 9 Using data 55
- H.239 contribution from 56
- Using data 57
- Configuring streaming 59
- Content channel streaming 60
- Web conferencing option 61
- Customizing streaming 62
- Chapter 11 Using a gatekeeper 63
- Conference Creation 64
- (MCU and IP VCR) 65
- Using a gatekeeper 66
- Chapter 12 Using firewalls 67
- Company LAN 68
- Internet 68
- Using firewalls 69
- Field Example setting 70
- Setting the system time 75
- Upgrading software versions 76
- Shutting down a unit 77
- General housekeeping 78
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