Quick start guides

• QSG Syn248 system installation i4
• QSG Syn248 SB35020-025 deskset
• QSG Syn248 SB35031 deskset
• QSG SB67020 and SB67025 i6
  SB67020 and SB67025 deskset quick start guide i6
• QSG SB67035 i1.1
  Synapse SB67035 deskset quick start guide i1.1
• QSG SB67040 i11
  SB67040 cordless handset quick start guide i11