Question: Consider the Software License and Maintenance Agreement between D2 Technologies, Inc. and Summa Four Inc.; Is there a minimum commitment required under this contract?
Answer: D2 shall make available to LICENSEE the maintenance and support services according to the terms of this Article 6 for a minimum of five years after Acceptance of Licensed Technology.
- --------------------------------------------------------------------------------------------------------------------                                                 Requirement - -------------------------------------------------------------------------------------------------------------------- Characteristic                Bellcore                      EIA/TIA-464A                                 D2 - --------------------------------------------------------------------------------------------------------------------                                                                                   Frequency Deviation           +/-1.5% must accept;          +/-1.5% must accept;          Configurable choice of                               +/-3.5% must reject           +/-3.5% must reject           four sets of must                                                                                           accept/must reject:                                                                                           +/-2.0% accept to +/-3.0%                                                                                           reject; +/-2.5% accept to                                                                                           +/-3.5% reject; +/-3.0%                                                                                           accept to +/-4.0% reject;                                                                                           +/-3.5% accept to +/-4.5%                                                                                           reject. - -------------------------------------------------------------------------------------------------------------------- Minimum Tone                  40 ms must accept; 23         40 ms must accept             Configurable from 24 Duration                      ms must reject                                              to 80 ms - -------------------------------------------------------------------------------------------------------------------- Minimum Interdigital          40 ms                         40 ms                         Configurable from 24 Interval                                                                                  to 80 ms - -------------------------------------------------------------------------------------------------------------------- Minimum Cycle Time            93 ms                         93 ms                         Configurable from 48                                                                                           to 160 ms - -------------------------------------------------------------------------------------------------------------------- Accept Levels                 0 to -36 dBm must             0 to -25 dBm must             0 dBm to configurable                               accept, -55 dBm must          accept                        minimum (-25 to -45                               reject                                                      dBm range)
Table A-9 contains the nominal frequency, power, and duration requirements for

                           ------------------------------------------------                               Minimum             Maximum              Unit          ---------------------------------------------------------------------          Frequency            2085                2115                 Hz          ---------------------------------------------------------------------          Duration             2.6                 4.0                  seconds          ---------------------------------------------------------------------          Power                -18.0               -6.0                 dBm0          ---------------------------------------------------------------------

generating modem tones as derived from V.25 and G.164.
There shall be fewer than 1 talkoff in 5 hours of voice when the          detector is programmed with the recommended parameters (minimum tone          duration 400 ms).
- ------------------------------------------------------------------------------------------------------------------                                                                Requirement - ------------------------------------------------------------------------------------------------------------------ Characteristic                Bellcore                      CCITT/ITU                     D2 - ------------------------------------------------------------------------------------------------------------------                                                                                   Frequency Deviation           +/-(1.5% + 5 Hz) must         +/-1.5% must accept           Configurable choice of                               accept                                                      three sets of must                                                                                           accept frequency                                                                                           tolerance:                                                                                           +/-(1.5% + 5 Hz),                                                                                           +/-(1.5% + 10 Hz),                                                                                           +/-(1.5% + 15 Hz) - ------------------------------------------------------------------------------------------------------------------ Tone Duration                 KP signal >/= 54 ms           >/=30 ms must accept          Minimum duration is                               must accept;                               must reject                                                 steps, from 28 ms up.                               All others: >/=30 ms                                        Can be configured for                               must accept; /=30 ms must accept;                               must reject                                                 - -------------------------------------------------------------





----------------------------------------------------- Minimum Interdigital          Must accept                   Must accept                   Minimum interdigital Interval                      interdigital intervals        interdigital intervals        interval is configurable                               >/=25 ms.  Must bridge        >/=20 ms                      in 4 ms steps.  Can be                               interdigital intervals                                      configured for >/=20 ms                               - ------------------------------------------------------------------------------------------------------------------ Minimum Cycle Time            Up to 10 pulses per           -                             >10 pulses per second                               second (100 ms cycle                                        (                              time) - ------------------------------------------------------------------------------------------------------------------ Accept Levels                 0 to -25 dBm must             -                             Minimum power is                               accept                                                      configurable from -25                                                                                                                         frequency - ----------------------------------------------------------------------------------------------------------------
Minimum response time for R2        detect delay + generate             detect delay + generate delay compelled signaling                 delay                                     detect delay + decision             detect delay + decision delay +                                     delay + generate delay - -------------------------------------------------------------------------------------------- ------------ Accept Levels                       -5 dBm0 to -31.5 dBm0 must          Minimum power is                                     detect;                             configurable from -25 dBm to                                     -38.5 dBm0 must reject              -45 dBm per frequency
If LICENSEE commits to purchase licenses for a minimum of 10,000 processors for the first year after first customer shipments, the fee_per_port will be reduced for $1.00 for the first 5,000 processors.