Is there a way to sniff the incoming and outgoing packets of iphone , which contains SIP pckets as well , using windows or Mac ?? It will be better if someone provide me a link to such tutorial ??
You can try:
1) Instal a network protocol analyzer (on your MAC\Win) like: Wireshark (free) or Charles proxy (trial)
2) activate "Internat sharing" on you MAC
3) Connect your wireless devices
4) Run your network analyzer
You have Documentation \ Help page on each site