|
IN-Call Gateway |
Other Gateway |
Standalone Embedded
System with build-in watching dog for
auto recovery.
|
PC Window Based –
Requires unnecessary components. |
Embedded Voice
Compression Chip with Audio CODEC, H.245
tunneling
|
Use DSP Card (for
audio). |
Compliant with
H.323 standard
|
Some Use
Non-standard Protocol. |
Simple installation
and maintain.
|
Complicate
configuration and maintain. |
Only needs Dynamic
IP address
|
Must have Static IP
address |
| Embedded software
provided. |
May conflict with
window OS or program |
Advantages
(IN-Call Gateway) |
Disadvantage
(Other Gateway) |
- Very low cost per port of the gateway.
- Unlimited Extension.
- NO technical knowledge and support
required.
- Easy to install and maintain.
- Configuration and upgrade are done by
us.
- No compatibility problems. Our gateways
uses industry standard protocols.
- Avoid most traditional structure
problems.
|
- Very high cost per port. (Due to the needed PC & Window license)
- Limited extension. (Due to PC limited PCI slot or ISA slot)
- Technical Support Required
- Technical support and engineer is not easy to find.
- Tech. support may not understand the relation between
different type of audio card and system.
- Very difficult to maintain due to the fact that they are in
different "compile link"
- Requires a lot of maintenance time.
- Different resource program; difficult to upgrade.
(driver, SDK, OS, DLL, AP, API...)
- Not compatible API (everyone use their own driver & API which are not
compatible with others)
|
| |
|
