You can use all available EAZ. However, two EAZ have a special meaning and can cause problems:
EAZ 0: global call (all telephones ring) EAZ 9: global call (no telephone rings)Gernot Zander
hifi@scorpio.in-berlin.de
wrote about this on 6. Jan 1997:
I would not use 0, for my taste it is too likely that i4l will steal all voice connections.
Jens Ey
jens@jeyhh.shnet.org
wrote on 10 Jan 1997:
The EAZ for extensions is usuAlly the last digit of the extension number. As EAZ for the Linux computer you should then enter a '6'.
SPV stands for {[quot ]}semipermanente Verbindung{[quot ]} (semipermanent connection) and is a (soon to be obsolete) speciality of the German Telekom. Like a leased line, the calling partner is fixed, however the connection is only established as needed (which occurs very quickly, much quicker that a dial connection). Since the Telekom can use the line for other things when it's not needed, the SPV is cheaper than a leased line.
This SPV is not to be confused with the Austrian understanding of SPV. The Austrian `SPV' has one channel leased line, and one channel for dialing.
To switch on the support for SPVs, add an {[quot ]}S{[quot ]} before the number to be dialed. This works (quite well) for modem emulations as well as for defined network interfaces.