Quectel UC20 Application Note page 28

UMTS/HSPA Module Series
UC20 PPP Application Note
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.156.235.241 P-t-P:10.64.64.64 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:134 (134.0 B) TX bytes:58 (58.0 B)
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