2 add a sip extension: the basic screen, Figure 99 add a sip extension: basic, Table 55 add a sip extension: basic – ZyXEL Communications IP PBX X6004 User Manual

2 add a sip extension: the basic screen, Figure 99 add a sip extension: basic, Table 55 add a sip extension: basic | ZyXEL Communications IP PBX X6004 User Manual | Page 223 / 592