Advanced Features |
By default, the ISDN modem makes calls using the 2 B channels. Note that there may be cost implications to the use of two B channels. Check your usage rates with your service providers, such as the telephone company, Internet Service Provider, or online service provider.
Storing Multilink Endpoint Identifiers in S registers
Some Multilink PPP implementations require the use of a Multilink
PPPoption called the Multilink Endpoint Identifier. The Multilink Endpoint Identifier is a number that the Netopia ISDN Modem uses to distinguish its Multilink PPP calls to a remote router from other Multilink PPP calls. The default Multilink Endpoint Identifier for the ISDN modem is the first B Channel’s directory number (as entered in S register 51). The Multilink Endpoint Identifier must be unique in order to identify the ISDN modem’s PPP call. This Multilink Endpoint Identifier also identifies the Multilink session and allows the remote router to add or subtract B Channels to that Multilink PPP session when the ISDN modem requests it.
You probably won’t need to change the default settings for the
S registers that control the Multilink Endpoint Identifier (S registers 82 and 83) unless otherwise specified by your systems administrator or ISP. The defaults are S82=5 (Public Switched Network Directory Number) and S83=(initially empty). (If you have S82 set to the default value of 5, leave S83 empty. The ISDN modem will later automatically fill in S83 with the directory number entered in S register 51.) If you do change the Multilink Endpoint Identifier, however, make sure the number you specify is a “unique” number to the equipment you are dialing into so the equipment will not confuse your Multilink PPP call with another call.
