I'm not sure whether https://github.com/mozilla-b2g/platform_external_qemu/pull/68 will come along with this pull request or not when Gecko updates stable revisions of hardware/ril and external/qemu.  So please wrap these lines with another `if (at_tok_hasmore(&line)) {`.

BTW, please also update example given in line 255.
```
 255         //+CLCC: 1,0,2,0,0,\"+18005551212\",145
 256         //     index,isMT,state,mode,isMpty(,number,TOA)?
```