Appendix A Product Specifications
Table 168 | Voice Features | |
SIP ALG |
| Your device is a SIP Application Layer Gateway (ALG). It allows VoIP calls to |
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| pass through NAT for devices behind it (such as a |
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| application on a computer). |
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Other Voice |
| SIP version 2 (Session Initiating Protocol RFC 3261) |
Features |
| SDP (Session Description Protocol RFC 2327) |
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| RTP (RFC 1889) |
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| RTCP (RFC 1890) |
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| Voice codecs (coder/decoders) G.711, G.726, G.729 |
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| Fax and data modem discrimination |
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| DTMF Detection and Generation |
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| DTMF: |
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| Quick dialing through predefined phone book, which maps the phone dialing |
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| number and destination URL. |
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| Flexible Dial Plan (RFC3525 section 7.1.14) |
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Wireless Features (Wireless Devices Only)
Table 169 Wireless Features
IEEE 802.11g+ Wireless LAN | Your device supports IEEE 802.11g+ to allow any ZyXEL WLAN |
| devices that also support IEEE 802.1g+ to associate with the ZyXEL |
| Device at higher transmission speeds than with standard IEEE |
| 802.11g. |
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External Antenna | The ZyXEL Device is equipped with an attached antenna to provide a |
| clear radio signal between the wireless stations and the access |
| points. |
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Wireless LAN MAC Address | Your device can check the MAC addresses of wireless stations |
Filtering | against a list of allowed or denied MAC addresses. |
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WEP Encryption | WEP (Wired Equivalent Privacy) encrypts data frames before |
| transmitting over the wireless network to help keep network |
| communications private. |
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| security standard. Key differences between WPA and WEP are user |
| authentication and improved data encryption. |
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WPA2 | WPA 2 is a wireless security standard that defines stronger |
| encryption, authentication and key management than WPA. |
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