Labels:box | bulletin board | earth | encyclical | grass | poster | sky OCR: Option al {p} {o] circuit kbit/s switched digital Digital 64 kbit/s network with access subscriber Laver access functions circuit packet handling rs)aT f switch and for packet switching tunctiooal groupings {s.ja} Layer functions Signalling handling (p) and exchange {s,} contro Packet functions handling functions {s.)a} Option b1 Packet interworking switching functian {P,} kbit/s digitaf circuit with ssaaae packet network b} T1108870-07 S4 and are only applicable when :1 signalling reguired is not contained in the information. Signalling in- band OT out-band for option a}, or in- -band for option FIGURE 4/Q.522 Type networ Iccess functional buidnob Optioo applicabte required echante connoctio
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