TY - BOOK AU - Pulver, Jeff, TI - The Internet telephone toolkit SN - 9780471163527 U1 - 004.69 PUL PY - 1996/// CY - New York PB - : J. Wiley & Sons, KW - Internet -- Computer programs KW - Telephone systems KW - Communications software KW - Pulver, Jeff KW - MANAGEMENT ER -