am f8c1f129: am e1d27154: am f87743e7: Merge "Prevent NullPointerException cases while using SipService."

* commit 'f8c1f1298ac3ede518c8d29eeb6719746c6afaf0':
  Prevent NullPointerException cases while using SipService.
tree: 42326f0f3d84236a13917882c8d0ee48074faa8c
  1. cmds/
  2. include/
  3. libs/
  4. opengl/
  5. services/
  6. vpn/
  7. MODULE_LICENSE_APACHE2
  8. NOTICE