3 before you begin, Figure 139 direct example, Figure 140 msn example – ZyXEL Communications IP PBX X6004 User Manual

3 before you begin, Figure 139 direct example, Figure 140 msn example | Calling directly to an extension, Msns (multiple subscriber numbers) | ZyXEL Communications IP PBX X6004 User Manual | Page 277 / 592